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.
Using Renegade and a 4 Turn Cooldown Unkillable champ to stay unkillable. Affinity can be difficult to navigate, but there are solutions. An excellent option for those lacking other unkillable champions.