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Biorhythm
Biorhythm (Japanese: バイオリズム biorhythm) is a mechanic applied to units which simulates how an individual's ability to fight to their fullest potential fluctuates as time goes on, making them perform better at some times and perform worse at others. A unit's biorhythm follows a pattern shaped like a sine wave, advancing along the wave a little bit periodically, and as it follows the ups and downs of this wave, the biorhythm give bonuses or penalties to the unit's accuracy and evasive ability during the course of a battle.
At any given time, a unit's biorhythm puts them in one of five states: Best, Good, Normal, Bad, and Worst. A Good state or higher gives the unit small hit and avoid boosts, while a Bad state or lower gives small penalties to the same. The biorhythm chart can be viewed in each unit's stat screen to see their current state and where the biorhythm will put them in later turns, and their current biorhythm state is shown on the map when hovering the cursor over them, indicated by red and green arrows.
Biorhythm is only present in Fire Emblem: Path of Radiance and Radiant Dawn.
Fire Emblem: Path of Radiance
Biorhythm pattern
Biorhythm | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | |||||||||||||||||||||||||||||||
Good | |||||||||||||||||||||||||||||||
Normal | |||||||||||||||||||||||||||||||
Bad | |||||||||||||||||||||||||||||||
Worst |
In Fire Emblem: Path of Radiance, all units share the same biorhythm wave. Biorhythm moves in a 30-point cycle, after which it restarts from the beginning of the wave.
Biorhythm moves under two conditions:
- For every 10 rounds of attack the unit participates in (regardless of whether they initiate it or are capable of counter-attacking), their biorhythm moves forward by one point.
- For every chapter they participate in that gets cleared, their biorhythm moves forward by seven points. The four parts of Chapter 17 are not treated as individual chapters for the purposes of biorhythm advancement, but the Black Knight part of Chapter 27 is treated as a separate chapter.
Almost all units, both playable and enemy, will start a map with their biorhythm at a completely random point, with the point being reset every time the player resets the game. However, several early-game units (10 playable, 2 bosses) will have their biorhythm start at a pre-set point when they first appear in their debut chapter.
In terms of how this is handled internally, these starting biorhythms are actually counted up from how many chapters have elapsed since the "first chapter" in terms of the game's internal storage, which is actually the debug map, with the Prologue being counted as #2 and the rest of the game's chapters proceeding from there. For instance, Mia's starting biorhythm is actually stored as 12 (Good), but since the player has progressed through eight chapters (counted as including the debug menu) by the time she first appears, the seven points awarded by clearing a chapter are applied eight times, bringing her to start with her biorhythm at 8 (Best).[1]
Calculations
The five biorhythm states award the following bonuses
- Best: +5 hit rate, +5 avoid
- Good: +5 hit rate, +5 avoid
- Normal: No effect
- Bad: -5 hit rate, -5 avoid
- Worst: -5 hit rate, -5 avoid
Skills affecting biorhythm
style="Template:Roundtl; border:none" width="100%" colspan="2"|Skills affecting biorhythm | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Fire Emblem: Radiant Dawn
Biorhythm patterns
There are ten different biorhythm waves in Fire Emblem: Radiant Dawn, two of which are exclusive to enemy bosses. Playable units and major enemies are all assigned one specific biorhythm pattern, while generic enemies are assigned biorhythms at random (excluding types 8 and 9). All ten waves move through a 25-point cycle, after which it restarts from the beginning of the wave. Every unit starts a map with their biorhythm set to a random point, and all biorhythms advance by one point per turn.
Type 0
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 0 biorhythm is a standard pattern, comparable to the Path of Radiance pattern. It is found on nine playable units, five bosses, and one NPC.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Nolan |
Vika |
Elincia |
Oscar |
Ranulf |
Sigrun |
Stefan |
Caineghis |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Kurthnaga | ||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Isaiya |
Kurth |
Burton |
Callum |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Yuma |
Type 1
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 1 biorhythm has very long Best and Worst points. It is found on nine playable units, five bosses, and one NPC.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Micaiah |
Aran |
Volug |
Zihark |
Brom |
Makalov |
Astrid |
Rhys |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Tanith | ||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Zaitan |
Djur |
Istvan |
Zelgius |
Roark |
style="Template:Roundr; width:50px" colspan="3" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Black Knight |
Type 2
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 2 biorhythm has relatively stable and minor effects on units' stats, having neither Best nor Worst points. It is found on nine playable units and three bosses.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Leonardo |
Tauroneo |
Muarim |
Marcia |
Nephenee |
Ulki |
Naesala |
Pelleas |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Nasir | ||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Agony |
Tashoria |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Levail |
Type 3
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 3 biorhythm is somewhat erratic, spending relatively little time at Normal, Good, or Bad points. It is found on six playable units, five bosses, and one NPC.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Heather |
Kieran |
Boyd |
Lyre |
Skrimir |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Oliver | |||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Aimee |
Pain |
Rommit |
Sergei |
Valtome |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Lekain |
Type 4
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 4 biorhythm is very erratic and rapidly plunges between Best and Worst points. It is found on five playable units and seven bosses.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Jill |
Calill |
Soren |
Shinon |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Kyza | ||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Pugo |
Wystan |
Yeardley |
Septimus |
Numida |
Izuka |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Hetzel |
Type 5
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 5 biorhythm is somewhat erratic, spending relatively little time at Normal, Good, or Bad points. It is found on thirteen playable units and three bosses.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Edward |
Tormod |
Nealuchi |
Lethe |
Mordecai |
Geoffrey |
Titania |
Mist |
Mia |
Gatrie |
Reyson |
Janaff |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Sanaki | ||||||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Zeffren |
Ludveck |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Kezhda |
Type 6
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 6 biorhythm is very stable, having neither Best nor Worst points and spending long periods of time in Good and Bad states. It is found on nine playable units and three bosses.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Sothe |
Ilyana |
Fiona |
Rafiel |
Haar |
Bastian |
Volke |
Giffca |
Ena |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Lehran | |||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Maraj |
Lombroso |
Dheginsea |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Sephiran |
Type 7
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 7 biorhythm has very long Best and Worst points and sharply shifts between them. It is found on ten playable units and one boss.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Player | Laura |
Meg |
Nailah |
Lucia |
Danved |
Ike |
Rolf |
Tibarn |
Renning |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Gareth | |||||||||
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Laverton |
Type 8
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 8 biorhythm is completely neutral and gives no bonuses or penalties whatseover. It is exclusive to enemy bosses.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Radmin |
Silvano |
Catalena |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Ashera |
Type 9
Biorhythm | ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | ||||||||||||||||||||||||||
Good | ||||||||||||||||||||||||||
Normal | ||||||||||||||||||||||||||
Bad | ||||||||||||||||||||||||||
Worst |
The type 9 biorhythm is similar to type 0, except it never enters Worst points. It is exclusive to enemy bosses.
style="Template:Roundl; width:100px" colspan="2" border:1px solid #232855; bgcolor="#222222" align="center" | Bosses and NPCs | Jarod |
Veyona |
style="Template:Roundr; width:50px" colspan="2" border:1px solid #b0b0b0; bgcolor="#222222" align="center" | Goran |
Calculations
The five biorhythm states award the following bonuses
- Best: +10 hit rate, +10 avoid, +10% chance of triggering skills, +20% chance of successfully recovering hidden treasure
- Good: +5 hit rate, +5 avoid, +5% chance of triggering skills, +10% chance of successfully recovering hidden treasure
- Normal: No effect
- Bad: -5 hit rate, -5 avoid, -5% chance of triggering skills, -10% chance of successfully recovering hidden treasure
- Worst: -10 hit rate, -10 avoid, -10% chance of triggering skills, -20% chance of successfully recovering hidden treasure
Items and skills affecting biorhythm
style="Template:Roundtl; border:none" width="100%" colspan="2"|Items and skills affecting biorhythm | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Trivia
- Although biorhythm as a mechanic is absent in all games after Radiant Dawn, the Japanese names of the skills Odd Rhythm and Even Rhythm from Awakening refer to it and have similar effects, although their effects work on a much smaller scale.
Etymology and other languages
Names, etymology, and in other regions | ||
---|---|---|
Language | Name | Definition, etymology, and notes |
English |
Biorhythm |
Combination of "bio-", a common prefix meaning "life", and "rhythm". |
Spanish |
Biorritmo |
Biorhythm |
French |
Rythme biologique |
Biological rhythm |
German |
Biorhythm |
Biorhythm |
Italian |
Biorhythm |
Biorhythm |
Gallery
Mia's biorhythm chart in Path of Radiance. She is currently at Good status.
Nolan's biorhythm chart in Radiant Dawn.
In Radiant Dawn, Leonardo's current state (Bad) is indicated by a red arrow in the corner of his HP box.