a) General Formula List ------------------------------------------------ [1010]

Learn the essential combat formulas in Fire Emblem Heroes, including attack speed, hit rate, avoid, damage, criticals, and staff accuracy for strategic gameplay.

Formulas are extremely important in several considerations of the game. This is definitely a worthwhile section to learn and memorise.

Attack speed

Weapon Wt. > Con = Speed + (Con - Weapon Weight)
Weapon Wt. < Con = Speed
Weapon Wt. = Con, = Speed

Hit rate

2* Skill + 0.5* Luck - Target avoid + weapon hit rate + Bonuses (+5% from S rank in weapon level and 0-25% depending on supports & 1-9% for tactician's bonus)

Avoid

2* attack speed + luck + bonuses (0-25% from supports, 0-40% from different terrain, 1-9% for tactician's bonus and +10% if Set's Litany is in use)

Damage

Power + Effective Weapon Might - Target Effective Defence + Bonuses (0-5 Def from supports & +10 if Fillia's Might is in use)

Effective weapon might

(Might + Weapon Triangle advantage)*2 if weapon is effective against target

Effective defence

Def/Res + Bonuses (0-5 Def supports, 0-2 from terrain & +10 if Nini's Grace is in use)

Rune Sword/Light Brand damage range 2

Power/2 rounded up affecting resistance

Rune Sword/Light Brand damage range 1

Power affecting resistance

Critical rate

Weapon critical + 0.5*skill - target critical evade + bonuses (+5% if S in weapon, +15% for swordmasters/berserkers, 0-25% supports & +10% if Thor's Ire is in use)

Critical evade

Luck + Bonuses (0-25% supports, 1-9 from tactician rank)

Criticals

deal damage*3 and you can only critical if you hit

Magic swords

cannot critical when casting a spell

Staff accuracy

30% + Power*5 + Skill - Enemy staff evade + bonuses (+5% from S rank staff level, 0-25% supports)

Staff evasion

Res*5 + Distance from target*2 + bonuses (0-25% supports)

Effective against weapons

double their normal might

Steal

if a space is free in the thief's inventory and they have greater speed than the enemy (cannot miss)

Aid

CON - 1 for unmounted units
20 - CON for mounted females
25 - CON for mounted males

Devil Axe

{[(RN from 12 to 16) - User's Luck] * 2 / 255} * 100 = % chance of self-injury

NOTE: Supports to defence raise both DEF & RES, as denoted by Effective Defence