To be The Emperor's favorite concubine, one must surely have many enemies. Especially a jealous consort like Ajax will become your enemy since he wants The Emperor's attention only for him.

"Just blame yourself. If you're not her majesty's concubine, I'll not do something like this." He said while pushing you from the edge of the cliff, but you wouldn't just let him do that, and you immediately dragged him with you and fell to the river together with him screaming hysterically in your ear.