Why Cassie matters
The Frostmaw sequence puts Cassie at risk. If she goes down, the fight gets dramatically harder, so protection comes before damage.
As a call card she also offers team heal, an attack buff and defense pierce - she is worth defending in every sense.
The defensive plan
Run Bodyguard to soak hits aimed at Cassie, pre-charge defense before Frostmaw's big swings, and keep Resurrect in reserve.
Do not treat the fight like a damage race; survive the dangerous turns and the damage windows open up.
After Frostmaw
Once Frostmaw falls you can attempt the optional Mutant superboss beneath Telamon - only go in with a sustainable healing and revive plan.
Related pages
Block Tales Guides