Wow you got to 50 in OT. Super props to you!
If your dragon (CoV) Faction is good. I encourage you to make a trek to Western Wastes,. Can polish off with animals there to 60. Avoid the ice burrowers and you'll be fine.
Another option is to track Wakening Lands. Raptors and Panthers may-be.
If you got the hook up I hear PoM is decent.
Lastly there may or may not be things in Eastern Waste. Though past 50 it will probably all be green.
Be aware however that npc HP past 50 is larger than any of those tigers in OT.
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Special shout out to Loramin!!
He keeps this wiki page going strong and I encourage everyone to look it over!
https://wiki.project1999.com/Per-Level_Hunting_Guide