Question: is aggron worth powering up?
Answer: Aggron in the Pokémon GO meta Aggron will take a place among the high ranks of Pokémon GO tier lists, mostly because of its high CP (3004) and great DEF. His Combat Power is so good that it actually beats Heracross (2938) and Espeon (3000), putting Aggron in the top 10 highest CP Pokémon.