"That's because no one was supposed to know. Usual fairy bullshit. I was made to replace the original they took. Or got sold. Long sad story. Younger brother sold his older brother to a fairy when they were both six. The younger brother wanted to be the older brother and have his perfect little brother, me." They arrived at the choke point. The metal horse made sure to weave around for some reason.

A perceptive person (roll perception check) would see the trap wires already set up here. Someone had been busy. The horse already knew where to step and not step.