Help improve my build!

My play style is to use my golem to tank sorta and I provide DPS. Often I draw attention and need to be able to handle the damage temporarily. I like using the totem of regeneration to heal my totem and I. The mushroom is an easy burst damage. I'd like some feed back of what items I could grind. My weekly challenge is clearing ancient hunts so any bosses to grind for items would be nice.