SIDEARM / Ballistazooka
Ballistazooka Location and Route
Sentry’s Grave, northwest of Gate of Mammon.
Location at a glance
Type: Sidearm. Prerequisite: Climb the first stairs northwest of Gate of Mammon and circle clockwise indoors.. Missable: No. All eight sidearms remain obtainable in free roam before New Game Plus.
How to get Ballistazooka
- Climb the first stairs northwest of Gate of Mammon and circle clockwise indoors.
- Enter Sentry’s Grave and defeat Subjugated Guardian at the end.
Why this route matters
Sidearms occupy a separate upgrade lane from melee weapons. Mark the dungeon or boss gate on the map, then return to Marrowkeep when the Obsidian Lathe is available.
Evidence notes
- Sentry’s Grave, northwest of Gate of Mammon. checked route
Sources
- Mortal Shell 2 All Sidearm Locations Launch guide · checked 2026-08-25
- Mortal Shell 2 Guide Hub: Collectibles, Bosses and Trophies Launch guide index · checked 2026-08-25
All weapon locations · Best weapons by job · Weapon upgrades
Build role and upgrade context
Role: Heavy burst. Save the Sentry’s Grave route for a boss or elite where one deliberate projectile can justify the setup time.
Pairing: Eredrim / cash in a stagger or long recovery. Sidearms share the Obsidian Lathe upgrade path, so record the route before spending scarce materials.