@JRobsonSF @JeremyECrawford @mikemearlsWhat would happen to a warlocks rituals if she replaced the Tome of Ancient Secrets invocation? I'd rule they'd be unusable. It is Book of Ancient Secrets that grants the ability to cast rituals.
— Rodney Thompson (@wotc_rodney) February 23, 2015
Warlocks rituals and the Tome of Ancient Secrets
