Reincarnated Demon King's Request for Help: Priest Talent Tree Is Urgently Needed

This story tells the story of a demon king named "Shath" who was reincarnated into a different world. In order to no longer be troubled by the struggle for power and the killings of war, he simply used some magic to fool the locals and became a fish priest. Unexpectedly, due to an accident, he ended up becoming a member of the brave team and had to set out to heal this world that was persecuted by the demon king. ; Along the way, he fights side by side with the brave Ryder, studies magic with the elf mage Siris, and complains about the world with the dragon-man heavy equipment. Of course~ Shat not only has to protect the brave team, but also resists not to kill the enemy with one move in front of his teammates; finally, he and the brave team continue to run in during the journey, and all kinds of interesting and humorous adventures in other worlds happen! Shater(╯‵□′)╯┻━┻: This is not interesting at all! I just want to live a peaceful life!