Shadow Bind (What's the point)

[Cutriss]

and i remember in FFXI , some god (the tiger? or raptor? ) , was used to run away from him , in partys was used for CC melee mobs , or run away ....

I assume you're talking about Seiryu and Suzaku. People would Shadowbind them and then run out of Suzaku's casting range during Chainspell, and get away from Seiryu during Hundred Fists. Shadowbind is frequently used to mitigate Hundred Fists.