Bolster

 is a tier 1 skill in Jack's The Hero of This Story skill tree. It increases the player's Maximum Health, as well as the health of your Digi-Jacks. Additionally, your Digi-Jacks will deal more damage the longer they survive.

Effects

 * Maximum Health: +3% per level
 * Digi-Jack Maximum Health: +3% per level
 * Digi-Jack Damage bonus per second: +2% per level

Can only leveled past 5 with VIP and Protagonist class mods.