You can find him in bottomsup bay near and in the pirate ship
in bootomsup bay
Onyx and Futabi are both found in the Pirate's Ship in Bottomsup Bay.
Igno is a king trye from fossil fighters champino
If you meant Saichan, then Mt. Lavaflow in the regular Fossil Fighters. I'm not sure about Fossil Fighters: Champions.
how to get shoni arms in fossil fighters ds
in the sea
you buy it at the fossil guild
In bb base
At the BB Base
Rivet Riven
you buy it
No but you can send fossils from fossil fighters to fossil fighters champions.