Reverse invisibility. Thing affected by skill cannot see itself, its conditions, buffs or health level and neither that of it’s allies. Nearby enemies of this thing also become invisible to only it. Another name could be near sight blindness.
Also a creature mechanic where a creature has multiple attack points with damage bars next to them that causes the area affected to break off and or lose a skill of that creature. Example: a limb, armor piece, weapon may be damaged, decoupled, or severed. Some attack points my be dependent of other points and some may be layered.