[That is one hell of an attack. I will call that the Destructive Compressed Flame Balls] thought Lex to himself as he dashed away as fast as he could.
He was disappointed to find that all the treasures, items and valuables that the pirates had on them had been destroyed or were no longer usable, but he didn't have time to waste and quickly bolted away.
It was too risky and dangerous to underestimate cultivators on the continent he was on and Lex would no longer have the element of surprise against them, so needed to be more careful.
He was by no means giving up on eliminating the Blood Sword Group, but he knew his limits and it was best to go and recover in a hidden place before seeking them out again for another fight.