When you get to Level 30 on 'Pokémon Go,' things get intense
Pokémon Go' Go Gets Crazy Hard When You Hit Level 30 - Thrillist
Pokemon Go tips and tricks to help you catch 'em all
Combat Power, Pokémon GO Wiki
What's a Pokémon Go gym and how do I master them?
Pokemon Go: Advanced tips from people who play too damn much - CNET
Pokémon GO Level 40 to 50 Guide - All Level Requirements and
Axie Experience Points (AXP) are Here! - by Axie Infinity
Here's What You Get When you Hit Level 30 in Pokemon GO
Pokémon Go XP sources list: How to get XP fast in Pokémon Go
Candy requirement from lvl 20 to 30? : r/pokemongo
When you get to Level 30 on 'Pokémon Go,' things get intense