Arms of Hadar
Spell Level: Level 1
Spell School: Conjuration
Casting Time: 1 action
Range: Self
Components: V, S
Duration: Instantaneous
Type Of Damage: Necrotic
Saving Throw: Strength
Castable By: Warlock
Description
At Higher Levels
When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d6 for each slot 1 level above 1st.
Source: Player's Handbook