Here are some suggestions for recoloured Mount Achievements.
- 450 mounts: Blue Hippogryph old model https://www.warcraftmounts.com/mount.php?mountid=518
- 500 mounts: I think it would be fitting to be a special mount since you are halfway to 1k mounts. So Stormcrow mount: https://www.warcraftmounts.com/mount.php?mountid=439
- 550 mounts: Red Urzul https://www.warcraftmounts.com/mount.php?mountid=872
- 600 mounts: Leystone Basilisk https://www.warcraftmounts.com/mount.php?mountid=792
-650 mounts: Gold Vulpin https://www.warcraftmounts.com/mount.php?mountid=1259
-700 mounts: Silver Caravan Brutosaur https://www.warcraftmounts.com/mount.php?mountid=931
-750 mounts: I think it would be fitting for it to be Green Stormdrake since it’s another milestone towards 1k mounts and it’s fitting because Dragonflight is just around the corner. https://www.warcraftmounts.com/mount.php?mountid=734
-800 mounts: Old unarmored Tiger mount since so many like the Swift Zulian tiger mounthttps://www.warcraftmounts.com/mounts/Tiger.php
-850 mounts: Blue Parrot mount. R.i.p Rio 3 moviehttps://www.warcraftmounts.com/mount.php?mountid=926
-900 mounts: Sun Raven mount aka Rukhmar: https://www.warcraftmounts.com/mount.php?mountid=662
-950 mounts: Teal-Grey Gladiator’s Soul Eater https://www.warcraftmounts.com/mount.php?mountid=1311
-1000 mounts: New unique milestone what better way to celebrate than with Gold Gladiator’s Proto-Drakehttps://www.warcraftmounts.com/mount.php?mountid=935 and a unique mount for your dedication and hard work for reaching 1k mounts. Goblin Hot Rod https://www.warcraftmounts.com/mount.php?mountid=1099.