Some of these may have been asked before, but...
Are the possibilities for Chaos Seed/Power, Fate Egg, Mutation, skeleton rewinding, Shard of Serendipity (and any random effects I may have forgotten) all equal?
What are the formulae for freezing on Ice/Permafrost Shield, for skeletonizing on Skull Buckler/Shield, and for freezing with Ice Bolt/Lance?