True Strike

From The Domains of Dread
School: divination
Circle: arcane 1st, bardic 1st, occult 1st
Spell Components: V, S
Action Time: 1 reaction
Range: short
Shape: broadcast
Targeting: self, allies
Base Duration: reaction
Saving Throw: no
Spell Resistance: no
Ritual Components: n/a

An inevitable, ephemeral hand assists the target, causing them to take 20 on their next attack roll before discharging.