Helicath is a unique champion bring both a Valkyrie style shield that is based on his own Defensive stat and a 2 turn block damage buff. A very flexible champion that can be used in both Unkillable or Traditional clan boss teams.
WarTower comp uses Warcaster and Roschard (Sir Nic is an alternative) to stay unkillable for 50 turns and use Doompriest to stay affinity friendly. Warcaster cannot be the stun target