{{Upgrade Infobox | image = | Class = Titan | Subclass = Defender | Ability = | Type = Miscellaneous | Prerequisite = [[Bastion | Next = Gift of the Void | Description = Increases the duration and strength of the shield created by Disintegrate. | Key Bind = | Extra = }} Relentless is an Miscellaneous upgrade for Defender. It increases the strength of Force Barrier created by Disintegrate.