From Dungeons and Dragons Wiki
|This material from the 5th edition SRD is published under the OGL|
Stoneskin is a spell in 5th edition.
|Casting Time:||1 action|
|Components:||V, S, M (diamond dust worth 100 gp, which the spell consumes)|
|Duration:||Concentration, up to 1 hour|
|Casters:||Artificer, Druid, Eldritch Knight, Ranger, Sorcerer, Wizard|