Some spells and other effects require Concentration to remain active, as specified in their descriptions. You can end Concentration at any time (no action required).
End Concentration
ActionXPHBp. 3632024SRD
Raw data
{
"name": "End Concentration",
"page": 363,
"time": [
"Free"
],
"srd52": true,
"__prop": "action",
"source": "XPHB",
"entries": [
"Some spells and other effects require Concentration to remain active, as specified in their descriptions. You can end Concentration at any time (no action required)."
],
"basicRules2024": true
}