Originally posted by Mharr:

You get a huge temporary survival buff when removing a gravestone. 50 seconds of 1/4 stamina usage for movement (free movement if combined with Eikthyr's power) large physical damage resistance and 10 hps regeneration.

Really? I did not notice this. If I manage to take my death stone with a deathquito nearby I die again if it hits me.

Beyond this thanks for everybodys' hints.