Target! Defeat 7 Big Demons!

Being tricked into the world of immortality by the system, he unexpectedly became a master of immortality and met seven disciples of a big boss. Apprentice No. 1: Master, I want to practice swordsmanship with you; Apprentice No. 2: Master, I want to make alchemy with you and practice together; Apprentice No. 3: Master, I want to practice beast control with you; Apprentice No. 4: Master, I I want to draw talismans with you and practice together; Apprentice No. 5: Master, I want to refine medicine with you and practice together; Apprentice No. 6: Master, I want to set up formations with you and practice together; Apprentice No. 7: Master, I want to travel around the world with you! ... Wait, can you come one by one? It's really hard to hold on together!