Do the skulls and vases during the Hades fight count as enemies?
So I ended up grabbing this anyway since I didn't like any of my boon choices, so I can confirm that the skulls and vases do not count as enemies for the purposes of Killing Freeze
So during the second phase of the Hades fight having any amount of chill on Hades will result in him constantly taking decay damage. During the first phase, he will summon regular and elite enemies in at certain health thresholds, which all need to be frozen for Hades to take the decay damage. The pots and skulls don't matter at all.