This Lazy Immortal Venerable Is Clearly Overpowered, Yet Lies Flat Too Much

A laid-back rogue cultivator with a damaged spiritual root, the protagonist just wants to lie flat, but is forced into action. With a golden finger of his own, his energy hits the max and triggers "forced face-slapping mode." He crushes everyone with his "acting skills" and hidden strength, exposing the dark secrets of the cultivation world.