If he could create an avatar, could he not create armor or weaponry using Aura? All of them saw how Hiro would play around with floating knives made of various calibers. Whether because of disposition or some strange coincidence the only one who could follow and mimic him naturally was his sister.
Having greater talent in Caliber manipulation, she could control Spirit constructs without any support. In contrast to Hiro who needed to first create Mana constructs before moving them using Spirit. The rest of them could only create caliber constructs in an extremely limited fashion.
Yet against all preconceived notions, Aurum successfully manifested a 40-meter Caliber Avatar. The line "It only sounds impossible until it's done" cemented the idea he could do it, he just needed to know how.
"Creating another behemoth like the one before is impossible, for now, my biggest issue is the venom these snakes keep spitting on me."
