8th-level · Evocation
Casting Time 1 action
Range Self (30-foot radius)
Components V, S, M (a small brass whistle)
Duration Instantaneous
Classes Sorcerer, Warlock, Wizard
You open your mouth and unleash a shattering scream. All other creatures in a 30-foot radius around you take 10d10 thunder damage and are deafened for 1d8 hours. A successful Constitution saving throw halves the damage and reduces the deafness to 1 round.
Source: Deep Magic 5e · OGL/Open