An Insurmountable Skullfort (Year 2)

"BRAINVAULT Sigma-ACTIUM-IX Cranial Dreadnought (Invincible Type)"

- In-game description

An Insurmountable Skullfort is an exotic Titan helmet specifically tailored for the Striker subclass.

Upgrades
Required materials: Glimmer, Spinmetal, and Ascendant Shard.
 * Infusion: Replenishes health each time you pick up an Orb of Light.
 * Defense Upgrade
 * Impact Induction: Causing damage with a melee reduces your grenade cooldown.
 * Improved Transfusion: Kills with Storm Fist immediately trigger health regeneration. You also respawn with full Melee energy.
 * Defense Upgrade
 * Defense Upgrade
 * Defense Upgrade