Raian probably the one who taugh Eren the most powerful secret technique of anime: "ignoring your opponent b.s"
You about to say something very important to the plot line and might make the MC waver?
- Nope, not anymore, eat dirt
you about to show us your secret weapon?
- Nope, not gonna wait around for that shit
You about to transform and unlock your true potential?
- Nope, shut down