Spell Slot Reserve

• Prerequisites: Spellcraft Training
• Type: Scalable resource leaf
• Candidate path: Mind → Spellcraft → Casting Reserve
• Source inspirations: Multiple D&D 2024 base classes
• Source effect summary: Gain spell slots whose capacity and maximum spell level scale with advancement.
• Ninefold Wheel effect: Gain a tiered casting resource. Slot scale and recovery interval require adaptation.