Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Arqade is a question and answer site for passionate videogamers on all platforms. It only takes a minute to sign up.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
So how far do you need to be to make the mobs despawn?
128 Blocks. Mobs spawn from 24 blocks away.