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All Shells in Mortal Shell 2

The nine Shells you can inhabit, what each one's active and passive do, and every node of its four-tier skill tree. Your Shell is the only thing in the game a weapon cannot change.

9catalogued
95skill-tree nodes

Choosing a Shell

A Shell is the body you occupy, and it is the one slot a weapon cannot compensate for. Each brings an active that costs Resolve, a passive that is always on, and a four-tier skill tree you open by spending Glimpses at the Shellkeeper. Weapons are shared, Seals are shared, Tarstones are mostly shared — the Shell is what actually makes two players play differently.

Read the passive first. The active is the flashy part and it competes with your weapon ability for the same Resolve, but the passive runs for free all fight, and on several Shells it is the passive that decides whether you can afford to be aggressive at all.

Harros is a loan, not a pickThe prologue hands you Harros and takes him back. Anything you learn on him transfers; nothing you invest in him does.
Bond is per ShellGlimpses spent on one Shell's tree do nothing for another. Committing early beats sampling, because a tier-4 node is a different effect and not a bigger number.
Two Shells carry two activesEredrim and Genessa each get a second active where everyone else gets one. That is more options competing for the same Resolve bar, not more Resolve.
Eredrim the VenerableShoulder Bash, Ethereal DiapasonExecutioner12Citadel of Penance, Fainweald
Genessa the WaywardFaithful Doubles, Stray DoublesDuality11Revenant Graves
Gragu the InsatiableStaggering BlowRevered Heart12One Legged Wolf Tavern
Harros the VassalStone Stun——Forlorn Village (Prologue)
Lazlo the JusticiarRetributionFortified Plate12Royal Crypt of Mammon, Mammon
Proxima the BroodseekerBiosamplerGrafted Armor12Fainweald
Sariel the EndlessExodus of ThornsPurge12Chamber of Becoming dungeon, Mammon
Smert the ApostateMiracleDeadly Revelation12Prophet's Rest, Fainweald
Tiel the AcolyteLingering ShadowShadow Dash12Mushroom Village