SpellVerified on build 25605617

Arms of Hadar

Level: Level 1 · Conjuration
Cost: Action + 1st-level spell slot
Range: Self
Area: 3 m radius
Roll: Strength save
Damage: 2d6 Necrotic
On a successful save: Half damage
Components: Verbal, Somatic

Prevent targets from using reactions.

Damage by spell slot

Average at 1st level

2d6 Necrotic

Average at 6th level

24.5

7d6 Necrotic

Per slot level

+3.5

each slot above 1st

1st-level slot7 2d6 Necrotic
2nd-level slot10.5 3d6 Necrotic
3rd-level slot14 4d6 Necrotic
4th-level slot17.5 5d6 Necrotic
5th-level slot21 6d6 Necrotic
6th-level slot24.5 7d6 Necrotic

Average damage of one cast at each spell slot, from the game's own upcast entries; a creature that succeeds the save takes half.

Slot	Damage	Average	On a save
1st	2d6 Necrotic	7	3.5
2nd	3d6 Necrotic	10.5	5.3
3rd	4d6 Necrotic	14	7
4th	5d6 Necrotic	17.5	8.8
5th	6d6 Necrotic	21	10.5
6th	7d6 Necrotic	24.5	12.3

Who can get it

From the game's class, subclass and race progression tables (the level is the class or character level it first becomes available at), feat choices, equipment boosts and scrolls.

Subclasses 4

The Archfey (Warlock) · can pick, from level 1
The Fiend (Warlock) · can pick, from level 1
The Great Old One (Warlock) · can pick, from level 1
The Hexblade (Warlock) · can pick, from level 1

Feats 1

Magic Initiate: Warlock · can pick

Equipment 1

Hollow's Staff · always known

Conditions applied 1

Arms of Hadar · 1 turn