Oimanyami

The oimanyami were a species of big cats that were unsuited to desert survival, and yet were the greatest predators of their age. They preyed on humans, cattle and other similar-sized creatures.

They led short but careful lives, wasting no energy. They could asexually reproduce, and their young gestated inside of their parent since the parent had been born. When an oimanya found prey, it killed the creature, inserted its young into the corpse so they could feed themselves, and wandered off to die of overexertion. And thus the cycle continued.

The last oimanya was killed in 1856, after firearms and disease had dwindled the population for years.

It is the national animal of Baskinia.

This animal is a 100% original idea and not at all ripping off the Dungeons and Dragons Displacer Beast. If anything, Wizards off the Coast ripped off the Oimanya.