All Polaris weapon skins can be acquired on Normal dungeon mode; they are also available as a Weapon Mould in the item store. Outfit worn is the Sycoil Jumpsuit from the Master Planner achievement.
Tyrfing (The Ur Draug)
Tir’s Fist (The Varangian)
Mace of the Einherjar (The Primordial Dweller)
Hard Rain (The Ur Draug)
Cryogenian Destroyer (The Primordial Dweller)
Conviction (The Primordial Dweller)
Everburning Torch (The Varangian)
Mirror of Lies (The Varangian)
Black Smoker (The Ur Draug)
Thank you Shaun2406 for the screenshots.