His Divine Arm of Percipience

Deals 10 damage, no regular melee attack.
Anti PENALTY: Any D20: 1-5, you lose an action (carries over). Metalhead BONUS:
When melee: roll a D20: 15-19, can swap any of your
items with any item they have, excluding current.
Any item they receive, they cannot equip for 2 turns.
If you take weapon, may equip this bonus item right
away (no action) your next 2 attacks will be with both.
After, item --> inventory. If 20, take item without trade.
SYNERGY BONUS: If 2+ Metalhead items, +1 dmg
per item.