Doppelgangers have been in the Yanfly Engine Zealous and Yanfly Engine Melody iterations. However, they’ve yet to appear for Ace. This script requires Enemy Levels and actually goes as far as giving enemies classes now. The doppelgangers made in the Ace version are a bit more than their VX counterparts. This time around, the counterparts will go as far as copying skills and even traits on top of the already copied levels and stats.