Eat The Weak is the first stage of Beyond the Savannah. It includes Corporal Weylands, H. Nahs, Mr. Angels and some Gabriels.
Battleground
As soon as the stage begins, one Mr. Angel spawns. A couple seconds later, another Mr. Angel spawns. After both the Mr. Angels are out, the boss, a 10% Gabriel, comes out on a timer. It is followed by three Corporal Weylands and two H. Nahs. More 400% Gabriels will spawn through the battle at a mild interval.
Strategy
Strategy 1
Video: https://www.youtube.com/watch?v=YEiPvhby4tk
Lineup: Crazed Cat, Crazed Tank Cat, Eraser Cat, Maglev Cat, Macho Leg Cat, Crazed Cow Cat, Crazed Fish Cat, Crazed Gross Cat, Crazed Dragon Cat and Awakened Bahamut.
Using the Manic forms of the crazed cats increases the probabilities of victory. Success on using this strat depends on properly protecting A. Bahamut with the Crazed Cats as to let him dispose of the H. Nahs.
Strategy 2 (Cheese)
Video: https://www.youtube.com/watch?v=D0mF5gBEALE
Lineup: Ninja Cat, Sumo Cat, Samurai Cat, Sushi Cat, Xmas Pudding Cat, Manic Lion Cat, Maglev Cat, Swimmer Cat and A. Bahamut.
For this strategy high level cats are a must, as the timing to be able to destroy the enemy base is quite tight. Using the True Form of Swimmer Cat is also advisable.