The third most unbelievable thing is that Zephyr Breeze landed a girlfriend. The second most unbelievable thing is that it's Sunset Shimmer. But the single most unbelievable thing? That would be who Zephyr’s cheating on her with, and why.
"Burninating the countryside... burninating the peasants... burninating all the peoples... and their thatched-roof COTTAGES! THATCHED-ROOF COTTAGES!! And the Trogdor comes in the NIIIIGHT!!!"