How to chain infinite combo of black manta without combo interruption/ sos is best for bm

With sword of salvation u can continuously drain opponent and do sp3 continuously if boss is nt immune to stun...along with draining power it also gives up to 150% damage to bm which is insane in soloraids....betaclub gives 500% damage in swipes only but sos gives 150% on all attacks...basics, swipes n specials also...except for bmcw..sos is better than betaclub in theory....and in pra