He was frantically pointing towards the glowing mountain. “We need to cast The Spell!”, Bothar screamed!
I held up the scroll we all had risked our lives to get. “Nobody can cast this spell without a prepared mystic space and ritual equipment. It would be suicide,” I said. “Not even him,” I jerked my thumb towards the Magi who smiled slyly.
Silently, he unstrapped that bolt of cloth he had been carrying since I had known him. He unfurled it, tamped it down, with small spikes, pulled a small apothecary chest out, placed and lit four candles on the cloth, drew some lines with some handy chalk, unpacked his remaining tools, then he held his hand out expectantly for the scroll. It took a fraction of a candle mark.
“Solomontic Rug,” he said quietly. “The key to mastery is knowing and having the right tools, be they physical, mental, or magical, and having them ready when you need them.”
Pcs learn of high power magics that allow them to banish weapons and suits of armor to some 'elsewhere' place until such time as they need it. reduces encumberances, gets fewer questions, and when the PCs get jumped by thieves in the ally, they can summon their suits of full plate armor with weapons drawn.
Lesser powers would allow them to summon their weapons from another physical place, drawing them to their hands like Luke skywalker summoning his lightsaber on Hoth.