Its an awesomely-awesome-grin-creatin g surprise when you get there. Its a shame that anyone who reads this will have it spoiled.
People that care about trophies and achievements deserve all the suffering that purposefully collecting them implies. And then some.
It's not the size that matters, it's how you use it.
That said, it's "largest map ever" in the Assassin Creed series only. IIRC Daggerfall still has the record.
Pot. Kettle. Black.
Minecraft