Minions are divided into four types; critters, poppets, and monsters have a rock-paper-scissors setup of weaknesses, while gadgets are neither weak nor strong against anything. Players field multiple minion groups in an effort to destroy one another’s Arcana Stones, with three destroyed stones meaning a victory. You can check out the full system rundown on the official site, along with a preview of the Minstrel’s Ballad version of the final Heavensward story battle.
Source: Lord of Verminion, Minstrel’s Ballad