mastery path for Jintoro and Orn?

Checked hellhades. There are 2-3 paths to go.

70 days in game. I dont have many awesome champs

1- jintoro nuker or clan boss mastery build?

2- orn traditional clan boss, soloer or unkillable?

3- in general how to decide which path to go for different champ?

Tyvm already