As you gain this Feat, you gain vast knowledge of your enemies, and how to mimic them. You gain the following buff:

• You gain the ability to learn an ability from an enemy after defeating them (for example, knocking them unconscious, or killing them). This only applies to enemies of CR5 or lower, And does not apply to any player character or npc. you can only have one ability from a slain enemy acactiv at a time, and choose this ability every time you complete a long rest. You cannot switch between 2 different abilities, such as switching between a winter wolf's cold breath and a Wraith's life drain, unless you complete a long rest.
• You can only absorb an ability from an enemy once per long rest.