Here is a good full plan to defeat alpha. Have 100 Charcars (mabye 60 might work but to be safe 100) Charcars because they lvl better than gigas. 10 yutys, forest and ice titan, desert titan is not needed but if you want to bring it. 1 quetz, 1 madagarmer, 1 snowy owl, 1 daedon. Line the Charcars up with the yutys in the middle of them with the yutys following a charcar in front of it (auto roar on) on following distance high or highest and on ignore whistles, the quetz with a platform saddle, 1 cannon on the side two auto turrets beside with the madagarmer on the quetz and the snowy owl and daedon also on the quetz, put the titans on group 2 and in front the Charcars. The fight begins, set it to group 2 whistles whistle the titans to the king titan, fly up and set the Charcars at him, remember to turn the creatures on the quetz on ignore whistles. While the titans and Charcars get in on attacks the yutys are roaring courage turn the auto turrets on fly near him and cannon him a bit, do a mix of cannons and madagarmer breath, madagarmer is good because he doesn't use ammo or anything, grab your snowy owl turn the daedon on healing grab the deadon do some healing support shooting. hopefully this works I haven't tried it yet but like it if it does work. thanks for reading I really planned this through it should work