His stats increased drastically after he advanced past the 10th round.
It was possible for him to use the Zephyr Steps and the Ring of Infinite Elements with much more ease than before.
Thus, even though the difficulty of the Trial of Power increased at an exponential rate, it felt like a cakewalk for Dilan who passed through them with ease.
The Ring of Infinite Elements was a powerful Constitution that allowed Dilan to alter his mana into any possible type of elemental mana.
Through this it was possible for him to replicate elemental affinity seeds, allowing him to use any kind of element at will.
The light blob was one way to make use of his Ring of Infinite Elements Constitution, replicating a flashbang by compressing light-attributed mana until it was on the brink of bursting apart.