Dark Nihilus Lead Bug

Drago

This morning, i tryed to use Dark Nihilus Lead against a Wiggs Chaze team.y team was Nihilus Lead / Vador / Palpatine / Baze / B2. I attacked biggs with my vador and nihilus and two times he get his tm gain as a critical hit (but it wasn't because of Nihilus Lead). Can you plz fix it.

FALRCS

Vader is tagged like empire, so this is what is activating his unique ability