are you sure it cast sonic blow?
@db/pre-re/item_db.txt
Ring_Of_Flame_Lord,Ring Of Flame Lord,5,20,,100,,0,,0,0x00CFFF80,2,2,136,,0,0,0,{ bonus bStr,2; bonus bVit,1; bonus bBaseAtk,15; bonus2 bSubEle,Ele_Fire,10; bonus3 bAutoSpell,"CH_SOULCOLLECT",1,30; bonus3 bAutoSpell,"MO_EXPLOSIONSPIRITS",1,10; bonus3 bAutoSpell,"PA_PRESSURE",2,30; bonus3 bAutoSpell,"MG_FIREBALL",1,150; bonus3 bAutoSpell,"KN_BOWLINGBASH",5,20; },{},{}
2679,Ring_Of_Resonance,Ring Of Resonance,5,20,,100,,2,,0,0x00CFFF80,2,2,136,,0,0,0,{ bonus bAgi,2; bonus bVit,1; bonus bMdef,2; bonus4 bAutoSpellWhenHit,"WZ_QUAGMIRE",1,50,0; bonus3 bAutoSpellWhenHit,"AS_SPLASHER",10,20; bonus3 bAutoSpellWhenHit,"AL_HEAL",10,30; bonus3 bAutoSpellWhenHit,"HP_ASSUMPTIO",3,20; bonus3 bAutoSpellWhenHit,"CG_TAROTCARD",5,20; },{},{}