Needs review
Source: Encyclopedia Arcane: Battle Magic

Description: You are able to transfer your own spell slots to another battle mage within 300 ft.

Prerequisites: Both the sender and receiver of the spell slots must be wearing an operational mortis harness

As a standard action you can expend a spell slot of any level between 1st and 9th, transferring its energy to another battle mage within 300ft. The recipient gains a spell slot one level lower than the one you expended.