It's not only but combine it with all the other party buffs. Battle Lit, Foe Req, crit buff from the songs, chain strat, trick attack, hypercharge, etc etc. All of them by themselves are only marginal but when you line them up, the damage will skyrocket. Remember that time when a group defeated A12s before the second inception back in 3.4 defeating a 13 minute fight in 8:30? Remember Balance was 20 percent back in 3.4 and it absolutely destroyed the whm.