Triangle Adept

Triangle Adept is a skill introduced in Fire Emblem Heroes. It increases the effect of the Weapon Triangle.

Effect
The skill is an Passive A slot skill. It increases the attacks with the weapon advantage involving the Weapon Triangle with this unit and decreases the attack of those with weapon disadvantage. This effect does not stack with Gem Weapons but, if a mage has a Raven Tome, they do have advantage over Colorless units. If a unit has Cancel Affinity, the effect of this skill is negated or reversed.
 * Triangle Adept 1 - 50 SP - Gives Atk+10% if weapon-triangle advantage, Atk-10% if disadvantage.
 * Triangle Adept 2 - 100 SP - Gives Atk+15% if weapon-triangle advantage, Atk-15% if disadvantage.
 * Triangle Adept 3 - 200 SP - Gives Atk+20% if weapon-triangle advantage, Atk-20% if disadvantage.

Learnset
The following characters have skill naturally with the rarity indicating what rarity the unit needs to be to have Triangle Adept 3.
 * Azura (Performing Arts) - 5 Star
 * Cordelia - 5 Star
 * Roy - 4 Star
 * Sanaki - 5 Star
 * Selena - 5 Star