"That'd be an alarm for if we breached this portal," says Kurt knowingly. "Be best we go another way."The warlock strolls back down. "No way I can see to get it open up there. It seems to have a little magic on it. Some abjuration. Unless that gives someone an idea, I suggest we try else where."

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.