Fire Emblem Heroes Wiki:Arena score tier list

Ratings in this tier list are based on a unit's highest possible score potential, which uses full use of merging units, inheriting skills, and stat variations.

To calculate a unit's scoring potential, the following formula is used:

${\displaystyle \mathit{Potential} = (\mathit{MaxMerges} \times 2) + \lfloor \mathit{MaxTotalBaseStats} \times 0.2 \rfloor + \lfloor \mathit{MaxSkillsSP} \times 0.01 \rfloor}$

• MaxMerges is the maximum possible amount of merges units can have access to. For units that can be summoned, this is 10.
• The stats of a unit can be influenced by stat variation, and MaxTotalBaseStats will always use the variation that results in the highest number.
• MaxSkillsSP will always be the highest possible SP for the skill slot the unit has access to. This is influenced by factors such as skill inheritance restrictions, which determine which skills a unit is able to use. Usually units with exclusive skills tend to have a higher value for one or more of these slots than for those without. The SP of passive skills includes Sacred Seals.

The tier list also displays raw potential for each unit, which is almost the same as the actual score potential, except that the SP values are not rounded down. Thus, the raw potential tells how likely it is for a unit to change actual score potential with the introduction of higher SP skills.