In the Basic Rules for D&D 5e, the number of spells a wizard can prepare is somewhat determined by your ability score, but it seems that the number of spell slots is constant, no matter what your ability. Is there a way to increase the number of spell slots a wizard can use? (Aside from leveling up, of course.)
[RPG] Is it possible to increase the number of spell slots a wizard has
dnd-5emagicwizard
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Best Answer
At this point, there is no way by RAW in the Basic Rules (or in the Player's Handbook) of increasing your number of spell slots you have as a Wizard.
That said, there are a few ways of effectively increasing your number of spell slots - either by restoring spell slots or providing other ways to cast your known/prepared spells - in the Dungeon Master's Guide using either Magic Items or the optional rule of Epic Boons (DMG, p.231-232).
Some examples of Magic Items that provide this benefit include: