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Bone-shaking Thunder

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Protection from Energy Thunder.webp

Bone-shaking Thunder is a level 4 evocation spell. It is a variant of Kereska's Favour that allows its caster to imbue themselves with the power of thunder and unlock resistances and spells associated with it. It is granted by Markoheshkir.


Embrace Kereska's thunder to gain resistance to Damage TypesThunder damage. Your thunder spells deal additional Damage TypesThunder damage equal to your proficiency bonus.

When you deal spell damage, inflict 2 turns[See Notes] of Reverberation Reverberation upon the target. While attuned to Kereska's thunder you can cast Shatter Shatter and Destructive Wave Destructive Wave once each per short rest.

Shatter Shatter ()
Cast as a level 5 spell ( Recharge: Short rest.)
Destructive Wave Destructive Wave ()
Cast as a level 5 spell ( Recharge: Short rest.)


 Range: Self
Recharge: Short rest

At higher levels

Casting this spell at a higher level grants no additional benefit.

Condition: Rumbling with Kereska's Thunder

Rumbling with Kereska's Thunder Rumbling with Kereska's Thunder

Duration: Until Long rest

How to learn

Granted by the following items:

This spell is a variation of:
Kereska's Favour Kereska's Favour


  • The in-game tooltip says this effect inflicts 1 turn of Reverberation, but it actually inflicts 2 turns.
  • Applying Reverberation can only occur once per attack. A spell hitting multiple targets like Shatter Shatter will only apply the condition to a single target.