Invulnerability
Source: Xanathar's Guide to Everything
9th-level abjuration
Casting Time: 1 action
Range: Self
Components: V, S, M (a small piece of adamantine worth at least 500 gp, which the spell consumes)
Duration: Concentration, up to 10 minutes
You are immune to all damage until the spell ends.
Spell Lists. Wizard