Relentless Hex

Prerequisite: 7th level, hex spell or a warlock feature that curses

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

Allow to teleport up to 30 ft within 5 ft of a target cursed by you.
Xanathar´s Guide to Everything
  1. DnD 5e Eldritch Invocations › Relentless Hex