Step one Simon it and kill it watch out for the hand beam stent 2 summoning it and shoot the nodes with a tek assault rifle they spawn dragons so ride dragon I recommended not to use a dinosaur if the green bar goes down a lot it won’t be an alpha and it will be weak
Get lots of diplodocus and level up nothing but health and also put saddles on them all have them attack the titan. The titan will be distracted and the diplos won’t do any damage. As he’s distracted use the time to destroy the corruption spots. Once all three are down walk up and claim. There you go
Best way I've found to tame it is to have a tribemate hold its agro on one of the wyverns that spawns with it, and a hover skiff with a sniper rifle. Wyvern holds aggro and holds it still, sniper sits on the skiff while it is hovering just above its attack area, and just unloads into the corrupted spots.