Warrior races , conquerors
Viltrumites (invincible), Krogan( mass effect) , Saiyans (dragon ball).
Bonus points if " we were too dangerous and something happened that nearly completely destroyed our population"
Viltrumites (invincible), Krogan( mass effect) , Saiyans (dragon ball).
Bonus points if " we were too dangerous and something happened that nearly completely destroyed our population"