I mean, normal Oracles simply imagine a world without hindrance for the Vex. Yellow Oracles rely on the Templar to turn their visions into reality, while red Oracles do it themselves. They're almost like shapeless, thought-based Vex that have left the confines of a body. So yeah, it's -blam!-ing terrifying that Oryx can take them. Wonder what god-forsaken power they'll have