Penumbra
After this unitUnitUnits fall under 2 categories: party and enemy. These 2 categories, in relation to one another, are referred to as opposing units. is defeatedDefeatedA unit is defeated when it loses its last HP chip or an effect states that it is defeated, it replaces the weakestWeakestThe opposing unit with the lowest HP (not including bonus HP). allied non-quest unitQuest UnitQuest units (white chips, brown border) are not mixed into draw bags at setup or after battles. Quest units cannot gain status effects from abilities or rules unless explicitly stated. and assumes that unit's HP and status dice. The replaced unit is returned to its enemy bag.
What happens if this skill is on a companion when they are defeated?
Nothing happens as a result of Penumbra.
SourceCan a Penumbra unit get a FearFearThe effects of this unit's non-Combat skills are ignored. This effect does not apply to skill dice already in active slots or the cooldown track. status?
Yes, Penumbra allows for quest units to end up with status effects on them.
Source