The first that comes to mind is the Bone Dragon mount from the Lost Pages event, you can get it by farming the location appropriate for your level tier. Omen drops a lot of different mounts, mostly fitting for ice but he drops an owl mount. The Accursed gauntlet if you have access drops a Dragon Wing mount. The Zeus, Krokopatra and Meowiarty duels drop a Death Whirlwind mount. I can swear the last time I farmed those I seemed to get a Bat Swarm mount too. Perhaps one of those rolling balls ( per school) are dropped too but I can’t confirm. You can get these gauntlets from other bosses like those in Mirror Lake and are somewhat plentiful. There is also the Mander Palanquin mount that is especially creepy. You can farm Bellosh or Ra who are key bosses in Krokotopia for that. I’m thinking you can get Bat Wings also but not sure who drops. Good luck!
