The two Passive Ability [Bloodthirst] and [Unyielding Ferocity] works wonders in a battle.
[Bloodthirst] increase Lerion's ferocity and strength as more blood is shed and as long as enough blood is shed Lerion would be able to recover his vitality so he would be able to fight for the entire time.
His wounds would start healing as time goes by and his speed would increase little by little.
For [Unyielding Ferocity] the more Lerion would be injured and wounded the stronger he gets.
Lerion would also be able to absorb energy from the earth as he would be able to recover lost energy and stamina he could basically fight for forever with it's three Passive Abilities not to mention it's Active Ability that could enhance it's own size for at least 10 times.
Seeing the changes that had happened to Rosa every members of the Monstrous Adventurers became excited.