The phrase "massive beast" refers to a very big and powerful animal. It suggests that the creature is large in size and has a strong and intimidating presence. Full definition
There's also a couple of massive beasts from each game displayed in the background, leaving us to wonder if they'll also be making an appearance. (cinemablend.com)
What we do know is that these two will be teaming up to take down some insanely massive beasts, either by themselves or with a few other friends via cooperative play. (shortpause.com)
Each player controls a different massive beast and decides who to attack and when, using dice rolls to determine how combat plays out. (daddydaydream.com)