if i got a charcter with prize and my opponet take it by triggert untill end of phase.

if that character leaves game in that phase witchone take prize?

ty

Always read cards from the point of the view of the controller. So the "opponent" who claims power for Prized is always the opponent of the person who CONTROLS the Prized card when it leaves play.

This question and its answer are now in the FAQ.