The pill slowly solidified within the Heavenly Flames. Above, heavy, dark tribulation clouds continuously gathered, muffled thunder rolling without end as though heaven and earth were roaring in fury, rebuking someone for attempting to challenge the rules they had laid down.
"Is this... a heavenly tribulation?" Di Tian's expression changed dramatically, his emotions difficult to discern. His gaze remained fixed on the newly formed pill in Xiao Yi's palm, his heart filled with shock and doubt. He simply could not understand what kind of refining process could draw forth tribulation lightning.
Xiao Yi raised his head toward the clouds, already understanding. It confirmed his earlier speculation. Yet his hands did not pause in the slightest. He directly used the Spirit Ascension Method, urging the pill to continue transforming and perfecting its medicinal potency.
The tribulation clouds above churned even more violently, as if the lightning they had been brewing for so long could no longer wait to crash down.
Di Tian moved, intending to step forward and help Xiao Yi bear the lightning's assault, but Xiao Yi stopped him with a raised hand.
"No need to come forward. This is a perfect chance to see whether the tribulation lightning is stronger, or whether my Heavenly Flames are more powerful."
A rare surge of exhilarating battle intent rose within Xiao Yi. It had been a long time since he had encountered such pressure from heaven and earth themselves. He activated the Heavenly Flame Three Mysterious Changes in succession, and his aura surged layer by layer—from Soul Douluo to Titled Douluo to Super Douluo, his cultivation pressure rising all the way.
As his aura continued to climb, three Heavenly Flames leaped into his palm one after another and slowly merged together. Violent energy spread in every direction as the outline of a