Proportion of Slightly Wounded

Overview

First, let's begin with an analogy. Let's say you are a healthy adult with no special medical condition.

In the game, when Troop March receives battle damage, some portion of the damage is considered Slight Wound and the Troop March will recover that portion automatically.

Sources

Sources of Proportion of Slightly Wounded are

Regeneration vs First Aid

Some heroes (e.g. Enzo) have bonus Recovery Speed from the First Aid skill.

Some heroes (e.g. Clarence) have bonus Proportion of Slightly Wounded from the Wound Regeneration skill.

So, which one is better?

In general, Wound Regeneration is preferred because: