ESODecoded

Bone Shield

Guild · Undaunted · Active — base skill and both morphs, exact values.

data retrieved 2026-06-11 · datamined via UESP

At a glance

Class / categoryGuild
Skill lineUndaunted
Skill typeActive
Morphs2
Base cost3672 Stamina
Unlocks atLevel 4

Base skill & morphs

BASE Bone Shield3672 Stamina · unlocks lvl 4

Surround yourself with a whirlwind of bones, gaining a damage shield that absorbs up to 4958 damage for 6 seconds. This ability scales off your Max Health. An ally near you can activate the Bone Wall synergy, granting the ally and up to 5 other allies a damage shield equal to 30% of their Max Health for 6 seconds.

MORPH Bone Surge3672 Stamina · unlocks lvl 4

Surround yourself with a whirlwind of bones, gaining a damage shield that absorbs up to 5121 damage for 6 seconds. This ability scales off your Max Health. An ally near you can activate the Spinal Surge synergy, granting up to 6 allies a damage shield that absorbs up to 30% of their Max Health for 6 seconds and Major Vitality, increasing their healing received and damage shield strength by 12%.

MORPH Spiked Bone Shield3672 Stamina · unlocks lvl 4

Surround yourself with a whirlwind of bones, gaining a damage shield that absorbs up to 4958 damage for 6 seconds and returns 100% of direct damage absorbed back to the enemy. This ability scales off your Max Health. An ally near you can activate the Bone Wall synergy, granting the ally and up to 5 other allies a damage shield equal to 30% of their Max Health for 6 seconds.

Morph differences

What each morph changes relative to the base skill — exact datamined text only, no recommendation of which to pick.

Bone Shield BASE

Surround yourself with a whirlwind of bones, gaining a damage shield that absorbs up to 4958 damage for 6 seconds. This ability scales off your Max Health. An ally near you can activate the Bone Wall synergy, granting the ally and up to 5 other allies a damage shield equal to 30% of their Max Health for 6 seconds.

Bone Surge MORPH

Changes vs base: An ally near you can activate the Spinal Surge synergy, granting up to 6 allies a damage shield that absorbs up to 30% of their Max Health for 6 seconds and Major Vitality, increasing their healing received and damage shield strength by 12%.

Spiked Bone Shield MORPH

Changes vs base: Surround yourself with a whirlwind of bones, gaining a damage shield that absorbs up to 4958 damage for 6 seconds and returns 100% of direct damage absorbed back to the enemy.

FAQ

What are the morphs of Bone Shield?

Bone Shield has 2 morphs: Bone Surge, Spiked Bone Shield.

What's the difference between the Bone Shield morphs?

Bone Surge: An ally near you can activate the Spinal Surge synergy, granting up to 6 allies a damage shield that absorbs up to 30% of their Max Health for 6 seconds and Major Vitality, increasing their healing received and damage shield strength by 12%.

Spiked Bone Shield: Surround yourself with a whirlwind of bones, gaining a damage shield that absorbs up to 4958 damage for 6 seconds and returns 100% of direct damage absorbed back to the enemy.

How much does Bone Shield cost?

3672 Stamina.

Where does Bone Shield come from?

Guild · Undaunted skill line.