they should be tamable soo lets say u tamed a 840 max tammed dino well u can level 250 times into that dino soo like asked if u tamed a level 5 i would go up to 255 now when it comes to breeding if u tamed to max level dinos and kept breeding the higher level agian and again u could come out with a dino over 840 which is the max wild dino level