Mocked for B-Rank Talent? I Have Infinite Mana and Tank Demon Gods

The invasion of all races and the descent of the secret abyss have ushered in an era of awakening for humanity. Qian Ming awakened the useless B-level talent [Magic Focus]. Tier B Talent [Magic Focus]: The caster has a 1% chance to enter a mana-saving state after casting any spell. This state reduces the mana cost of your next spell by 100%. However, as a dual-talent awakener. He also has a hidden talent that has no level requirement. Hidden Talent [100x Enhancement]: Increases the effect of a talent by 100 times. The trigger probability has been increased from 1% to 100%! When everyone is pursuing maximum output Qian Ming resolutely invested all his attributes into endurance. He transformed into an all-powerful tank, casting spells endlessly to withstand the demon god. The teammates watched helplessly...