Substitutional Alloy Mark

Overview

The Substitutional Alloy Mark is a Legendary Titan Mark belonging to the Titan class. It is categorized as Armor. The item features the flavor text: "And the cleanse shall beget an ocean."

Acquisition

Previously sold by Xûr as rotating legendary armor. Legacy armor sales moved to Ada-1 with The Edge of Fate.

For its appearance, Ada-1's expanded legacy armor selection provides cosmetic collection in Armor Synthesis. Since Update 9.7.0 (June 2026), her legacy armor selection is no longer on a weekly rotation.