Maha mrityunjaya is the name of Lord Shiva when he is in his rudra roop. This is one of the most powerful and aggressive form of Shiva and praying him and offering prayers to this yantra protects us from the miseries of this world.
Some of its advantages:
Maha mrityunjaya yantra protects us from any kind of danger and makes us strong and courageous.
Chanting of maha mrityunjaya mantra also protects us from accidents and mishaps and thus gives long lives.
“ Om triambhakam yajamahe, sungandhim pushti vardanam, urvarukamiva bandhanat, mrityor muksheeya mamritat ”