Tomb of Levistus

[ Tombe de Levistus ]
Prerequisite: 5th level

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

When you take damage, you gain 10 temporary hp/lvl, take the damage, gain vulnerability to fire, and your speed is reduced to 0.
Xanathar´s Guide to Everything
  1. DnD 5e Eldritch Invocations › Tomb of Levistus