AD&D 1E2E Wizard Specialist Spell Slot issue

The Wizard table shows how many spell slots you have to cast your wizard spells of 1st level and higher To cast one of these spells, you must

The Spell must be one for which the Wizard has a spell slot, even if they got it by multiclassing

wizards spell slot When you cast a wizard spell with a spell slot, you can temporarily replace its damage type with a type that appears in another spell in your spellbook, which

wizard of oz slot free coins you can use the spell slots you gain from the Pact Magic feature to cast spells you know or have prepared from classes with the Spellcasting