Mortal Shell 2 Subjugated Guardian Boss Guide
Quick answer: The approach is worse than the boss. Ignore surrounding ranged enemies in the arena and focus the Guardian — Gamer Guides says clearing them first is a trap. Reward is Ballistazooka.
Official promotional screenshot: Steam / Cold Symmetry / Playstack
Location and route
Boss location: End of Sentry's Grave dungeon.
RPS: from Abandoned Outpost go north toward Lonesome Spire, not down into Deserted Slums. Dungeon entrance is in a small alcove on the way up. The path is over lava with Subjugated Sentries shooting the whole way.
Preparation checklist
- Sidearm for the sentry hallway. Do not arrive empty.
Attacks and counters
| Attack | Tell / danger | Safe response |
|---|---|---|
| Guardian plus arena sentries | Ranged chip from the edges | Kill the boss; do not start a full add-clear. |
Step-by-step fight plan
- Survive the lava hall, burst the Guardian, take Ballistazooka.
Rewards, achievement, and what comes next
- Ballistazooka and Gloom x7,008 (Game8 / Gamer Guides).
More boss guides
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Evidence: The boss name and achievement wording are cross-checked against the official Steam achievement list. Location, attacks, rewards, and strategy are attributed community synthesis checked against this RPS Sentry's Grave route and Game8 rewards. Verified August 23, 2026; balance and behavior may change with patches.