Yusuke and Sam begin their duel Sam was gaining the upper hand, until yusuke has an ace card

The duel

As Sam had 2200 LP left, a spiritual version of Sam came out of nowhere and grabs his darker self from behind

(Dark) Sam: WHAT ARE YOU DOING, YOU'LL DESTROY US BOTH!!!

(Real) Sam: rather that than let you hurt my friends!! YUSUKE!! TAKE HIM DOWN!!!

yusuke nods and Synchro Summon his ace monster

Yusuke: I Synchro Summon, SWORDSOUL SUPREME SOVEREIGN - CHENYING!!!

(This isn't the end of this arc, this is just the beginning)