After Practicing for 30,000 Years, All My Masters Are Great Emperors

[Traditional fantasy + unlimited upgrades + decisive killing] Xu Qingshan, who accidentally entered the God Burial Realm, became the savior of all the emperors trapped in the God Burial Realm. After practicing with all the great emperors for 30,000 years, he became a half-step emperor. After returning from the God Burial Realm, he returned to the sect only to find that only three years had passed here and all his cultivation had been lost. Genius is just the threshold for meeting me. Look at Xu Qingshan, trampling all geniuses under his feet!