SPOILER
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Ironically, this answers your question about Kangaxx in the other thread.
You have all the necessary parts already( Golden Arms and Legs, Golden Torso). Go the Docks District and go the house between Mae'Var's Guildhall and the Sea Bounty Inn. The door is trapped, so be careful.
Kangaxx awaits you in the basement of that house. Have fun.
Try not to scream and curse too much when you first fight him.