Mortal Shell 2 Max Level — Harbinger, Weapons, Tarstones
Quick answer: There is no published official Harbinger cap; Game8 has seen levels past 100. You only need about level 75 for maximum Shell Points. Weapons top out at 16 until Hidden Nave's Endless Core removes the cap. Tarstones max at 3. Shell Bond max is 4 (about 27 Glimpse).

Official promotional screenshot: Steam / Cold Symmetry / Playstack
The four ladders
| Track | Practical cap | Spend |
|---|---|---|
| Harbinger level | Past 100 observed; no official hard cap. ~75 for max Shell Points | Gloom at Beacons / Marrow Keep |
| Shell Bond | 4 | Glimpse at Zhirelle (Genessa is special) |
| Weapons / sidearms | 16, then uncapped with Endless Core | Gold + Ventrium → Ossinite |
| Tarstones | 3 | XP while equipped, then coins / Tarcore |
What is worth maxing in one run
- One or two Shells to Bond 4. You will not max eight.
- The weapon you actually land, to 16, then Endless Core if you are in Unfound Path.
- One Combat stone (Duality or Grudge) to Tarstone 3. Feed the rest at 2 for Tarcore.
- Harbinger 75 is the Shell-Point breakpoint. Going past 100 is NG+ comfort, not a trophy requirement.
Related guides
Evidence: Harbinger / Shell Point / weapon 16 / Tarstone 3 figures follow Game8's max-level page. Endless Core removing the weapon cap follows GameSpot's Tarforge guide. Glimpse 27 follows GameSpot's beginner guide. Verified August 23, 2026.