Realmswarden

Modifiers: Melee Attacks +1, Melee Damage +2
You choose the form the weapon takes and can
change it at will.
{1}Battleaxe: 1d8 Slashing + 1d4 Lightning
Critical Hit Range: 19-20
{2}Warhammer: 1d8 Bludgeoning + 1d4 Thunder
When you roll a 20 on your attack roll, the target
takes an extra 3d4 Thunder damage and you gain
this amount as temporary hit points.
Requires Attunement.