Board Thread:Episode Discussion/@comment-34633327-20171216025048/@comment-5430952-20171220082045

73.Anon.52 wrote: sort of... tbh I'd guess they operate kind of like the dragonballs only in more of a "creation engine" kind of way... in other words, you can destroy stuff with destruction or create stuff using creation without the other relics, but without choice you cannot limit the result to what you want, and without knowledge you cannot be sure that unexpected results will not occur.

So in other words, you need all four Relics lest you possibly lose control and destroy Remnant. Raven may not know this, and if she employs the Relic of Knowledge alone, who knows what could happen. It won't be good for Remnant, that's for sure.