SpellVerified on build 25605617

Hail of Thorns

Level: Level 1 · Conjuration
Cost: Action + 1st-level spell slot + Bonus action
Range: 18 m
Area: 2 m radius
Roll: Dexterity save
Damage: weapon damage + 1d10 Piercing
On a successful save: Half damage
Components: Verbal

The thorns deal weapon damage to the target and then explode. The explosion deals an additional 1d10 Piercing damage to the target and surrounding creatures.

Damage by spell slot

Average at 1st level

5.5

weapon damage + 1d10 Piercing

Average at 6th level

weapon damage + 6d10 Piercing

Per slot level

+5.5

each slot above 1st

1st-level slot5.5 weapon damage + 1d10 Piercing
2nd-level slot11 weapon damage + 2d10 Piercing
3rd-level slot16.5 weapon damage + 3d10 Piercing
4th-level slot22 weapon damage + 4d10 Piercing
5th-level slot27.5 weapon damage + 5d10 Piercing
6th-level slot33 weapon damage + 6d10 Piercing

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	weapon damage + 1d10 Piercing	5.5	2.8
2nd	weapon damage + 2d10 Piercing	11	5.5
3rd	weapon damage + 3d10 Piercing	16.5	8.3
4th	weapon damage + 4d10 Piercing	22	11
5th	weapon damage + 5d10 Piercing	27.5	13.8
6th	weapon damage + 6d10 Piercing	33	16.5

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.