Element infused Weapon

the spell must be casted on an ally's weapon of choice, when doing so, the caster can choose which element it should be, the elemental perks are listed as follows:

water: when this weapon gets hit with lightning, this attack is an automatic vulnerability to those who are neutral to bludgeoning, piercing, and slashing.

earth: this weapon can cast an earthquake spell with an attack action.

air: can give any enemies a 30ft knockback in the direction of attack.

fire: gains 1 level of exhaustion to whichever enemy that gets hit with this weapon.

when using this spell of a spell level of 4th or higher, this weapon can deal and extra 1d6 of cold damage, bludgeoning damage, force damage, and fire damage respectively.