(WORK-IN-PROGRESS. i'm lazy so i'll do this when i have free time. this is just for those who main knight (nice choice :D ), and want a little guidance from someone who's been maining the Knight since 2014.
This is my Ice Sage build for Delves. It is not great at farming, as it has very low Movement Speed. This is a raw damage build, for highest DPS possible, while still being able to survive deep Delves.
This build is a decent all-purpose Ice Sage DPS build. If you do not need extra potions for a long fight or faster mounted movement speed, you can use a different subclass depending on what your needs are.