The latter formed a series of flaming patterns that emerged on his skin, vastly increasing his movement speed!
With four treasures in his hands, his power was nearly pushed to the limit.
They not only had special effects allowing for direct attacks but could also be combined with each other to form transcendent elemental reactions.
Fire plus lightning, explosion!
Fire plus ice, melt!
Ice plus lightning, dark plus fire, dark plus lightning, dark plus ice...
Even the reactions between elemental reactions under his exquisite manipulation gave rise to compound reactions!
He used only four jewels and four arms.
And successfully suppressed the steam mecha and the primeval mecha, continuously draining power from both.
During this process, the three-headed dragon mecha also tried to join the battle.
Alas, to little effect.
Yuu, as an Enigmatic Type mecha, should have possessed the strongest special output ability.