Aether Raids Tier List Criteria

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The following is an explanation of how the tier list was made: the criteria each unit was evaluated against and a short explanation on why each unit is placed as they are. Some subjectivity is unavoidable when it comes to tier lists, so we encourage users to seek other perspectives and opinions on unit viability alongside the information in our tier list.

Note: Fire Emblem Heroes provides a significant number of ways to vastly improve units via Skill Inheritance, Ally/Summoner Support, Sacred Seals, Dragonflowers, ally buff support, and so on. Please keep this in mind when considering placements in this tier list, as every unit can be completely viable in all modes of play.

The primary factors considered when tiering heroes are as follows:

Role Considerations

A unit can contribute in combat in many different ways, and in many different strategies. Naturally, the team will try to avoid evaluating a fish based on their abilities to climb trees. The placement of each unit will be based on their best possible role. Heroes whose tier is determined by their role on defense rather than offense are denoted with an icon that corresponds to their matching mythic season (units with no mythic season preference on defense will have a mixed season symbol). Without the icon, the units are tiered based on their offensive capabilities. Supports will also be tiered relative to other supports, etc etc. 

Combat Considerations

For combat units, the team would evaluate based on the common threats of the counterparties (enemy-phase units for nukes on defense and vice versa, Save tanks against ranged nukes on offense, etc). This meant that skills that alter the outcome of combat are naturally valued more. This includes aspects such as effective damage or nullification, guaranteed follow-up or nullification, and many other aspects. This rule also applies for supports, except they alter the outcome of the support's allies instead of themselves.

Proportional Contribution

There will be occasions where a combination of units forms a powerful strategy. The team would attempt to evaluate each unit's portion of contribution to the strategy and evaluate accordingly. For example, Bridal Catria's Triangle Attack enables many player-phase units on defense to perform well, but the contribution is more towards Catria than the other units. 

Duo Skill Considerations

One of the factors that the team would usually ignore is the usage of Duo Skills. As many prominent maps in the higher tiers of the mode are leveraging on Duo's Hindrance and Duo / Harmonic units, it can be difficult to activate the skills. The exception to the rules are ones that are more likely to activate the skills in a map. This includes units such as Ninja Corrin, Summer Caeda, and Hatari Azura. 

Skill Access and Stat Distributions

With the combat considerations, one of the influencing factors would be the skill access of the said units. The combination of weapon and movement types will influence both the skills that the units would be able to access and the amount of stats they could allocate. For instance, Armored Units tend to be viewed more favorably due to being granted access to powerful Passive B (such as Savvy Fighter and Hardy Fighter) and the Savior Skills in Passive C. In contrast, Ranged Fliers struggles to achieve any form of combat relevancy as they lack a decisive passive in their B slot. 

Generics Tier List

As of February 2022, all units without any personal skills are removed from the Tier List itself. For these units, their tiering is condensed into the Generic Tier List, which will consider both speedy and defensive variants of a generic unit. The criteria for tiering a generic group would be identical to that of a unit.