What are the objectives of eon?

eon is the geologic time period that is shorter than a supereon, but longer than era

I am currently in the Phanerozoic Eon.

In general speech, an eon can refer to a very long period of time. In science, an eon is the largest division in the geologic time scale. An eon is subdivided into two or more eras and lasts around a...

They are a list of challenges or simple things that earn you great prices when you complete them.

ur talking bout pokemon/its about a billion years