Full-Time Mage: One random forbidden spell per month

Li Xingze transmigrated to the world of Full-Time Magician and received a forbidden spell randomly every month.
Forbidden spells have two casting modes: one is direct generation, which is too restrictive.
One method is manual release, which requires an additional opportunity.
With the world's largest number of "devastating strikes," Li Xingze, with the goddess Yi Zhisha on his left and Archbishop Salon on his right, reached the pinnacle of his life.
When the Ocean God Clan invaded China, Li Xingze, a celestial being, descended to earth and used twenty forbidden spells to teach Leng Dayan to be a "demon".