Spell Prepping
Referenced from:
If an ally focuses my breach, can I prep a spell?
Dual Breach Spells and Link Conduit
What are the restrictions on "once per turn" "while prepped" effects?
Prepping Feral Lightning to a Closed Breach
Prepping spells to closed breaches
Amethyst Paragon Clarification
Kindle Clarification
Tempest Sigil Clarifications
Can I immediately use a "While prepped" effect?
Forged Sparks and Kindle