C58

If Xiao took the dragon and replaced it with Tarzan, then Faker's side would not only lose, but lose.

Even if Xiao Ge did not replace Tarzan and only managed to escape, Faker's side would not accept this outcome.

For Faker and the others, killing Xiao Ge and not only did they not use any more Summoner skills, but they also killed him. This was the best way to stop them from dying