Charging sigils with crystal grids is something else. You lay out quartz points in a star pattern, pop your sigil in the center, and let the stones hum it alive overnight. My healing ones practically glowed by morning (not literally, but you feel it), and the aches I had been dealing with vanished a few days later.
Mix in corresponding gems too, amethyst for calm, citrine for abundance. There’s something about watching the energy build. Grids make sigils work so much stronger, at least in my experience.