Board Thread:False Info and Speculative Discussion/@comment-24732895-20170913061446/@comment-544940-20170913095153

Peter had the advtange in that fight in S4 and in all honesty if he didn't attack Liam which gave Scott the required motivation he would've possibly won or at the very least do more damage.

Granted I think Scott was just appealing to Peters ego in order to get him to join seeing how Peter is knowledgeable and pretty strong.

As for Deucalion he likely feels guilt over his action and realised who he was and what he became due to violence which is why he wishes to remain more of a pacifist as he doesn't wish to become a monster again