Chains of Carceri

Prerequisite: 15th level, Pact of the Chain feature
You can cast hold monster at will — targeting a celestial, fiend, or elemental — without expending a spell slot or material components. You must finish a long rest before you can use this invocation on the same creature again.
Player´s Handbook (SRD)
  1. DnD 5e Eldritch Invocations › Chains of Carceri