Investment of the Chain Master

Prerequisite: Pact of the Chain feature

Description not available (not OGL).
But here is a summary:

Find familiar grants flying/swim speed, its weapon are magical, can Attack and your reaction grant it resistance.
Tasha´s Cauldron of Everything

Engagement du maître des Chaînes
  1. DnD 5e Eldritch Invocations › Investment of the Chain Master