Utsusemi
From BGWiki
Blink tanking generally refers to using both Utsusemi: Ichi and Utsusemi: Ni in order to mitigate damage while tanking a mob. It is not uncommon to tank all endgame mobs using multiple blink tanks, including, but not limited to, RDM/NIN, PLD/NIN and NIN/DRK.
