On the topic on the BP timers...
Mana Pact (stance)
Duration 2~3 min (depending on SMN skill)
Recast 5 min
Increases avatar Perp cost by 20%, bloodpact Cost by 20%
Reduces bloodpact recast timmer by 50%
The recast timmer reduction would stack on the -bp recast timmer gear so it can skip the 45 seconds cap, if you have gear that reduces normally to 45 seconds, then its 50% of those 45 seconds rounded down, 22 seconds bp recast time, with a penalitation of bp costing more, of course, you could cast bp while in the effect and have a bp cost 20% more then remove the stance by the time you are able to recast bp, so you can ditch 2 bp in less than 30 seconds spending 20% more MP on one pb and perp cost.
Not overpowered, has its downsise and adds strategy... if leving out avatar during all the stance, you could ditch in 4 bloodpacts in 2 minutes aprox. Doubliing the damage output but spending your mp pool like crazy, thus making gear that augment the activation rate of that trait forgot its name that reduces bp cost more desirable.