You have reached a new level in your journey as a spell caster and you gain the following:

In this Mana point variant for every new level your mana pool grows by the following:

Starting at level 3, your mana pool will grow by one in a half (1.5) times (rounded up) of your current mana pool till level 9.

Starting at level 10, you gain an extra bonus action and your mana pool will grow by two (2) times (rounded up) of your current mana pool till level 15. 

In addition, starting at level 10, you gain all point use after a short rest. 

Starting at level 16, your mana pool will grow by two and a half (2.5) time.