Refinements:

Grants a Bond of Life equal to 25% of Max HP when a Charged Attack hits an opponent. This effect can be triggered up to once every 14s. In addition, when the equipping character has a Bond of Life, they gain a 12%/16%/20%/24%/28% DMG Bonus; if the value of the Bond of Life is greater than or equal to 30% of Max HP, then gain an additional 24%/32%/40%/48%/56% DMG Bonus.