| summary = This spell allows the caster to summon dark tendrils and deal {{DamageType|Necrotic}} damage to enemies in an area centered on the caster, preventing them from taking {{Action|reaction}}s.
| summary = This spell allows the caster to summon dark tendrils and deal {{DamageType|Necrotic}} damage to enemies in an area centered on the caster, preventing them from taking {{Action|reaction}}s.
| description = Prevent targets from using reactions.
| description = Prevent targets from using reactions.
On Save: Targets still take half damage but are able to use {{Action|reaction}}s.
| cost = action, spell1
| cost = action, spell1
| attack roll =
| attack roll =
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| damage modifier =
| damage modifier =
| damage type = Necrotic
| damage type = Necrotic
| damage save = Strength
| damage save effect = half
| concentration =
| concentration =
| range = self
| range = self
| save = STR
| on save = Targets still take half damage but are able to use {{Action|reaction}}s.
Arms of Hadar is a level 1 conjuration spell. This spell allows the caster to summon dark tendrils and deal Necrotic damage to enemies in an area centered on the caster, preventing them from taking Reactions.