Potential Slot Carver types?

[street]

How many different types are there?
Where can they be found?

I was under the impression that the one that doesnt boom your items was only available in the cash shop but..

[SaptaZapta]

Those supposedly drop from bosses or come from Gacha.

[Grey]

10%, no boom (Advanced) comes from bosses and are untradeable.
20%, no boom (Superior) comes from gach and are tradeable.

[street]

10%, no boom (Advanced) comes from bosses and are untradeable.
20%, no boom (Superior) comes from gach and are tradeable.

Major bosses right? Area bosses dont count?

[Marksman Bryan]

Major bosses right? Area bosses dont count?

Major bosses - they show in the Monster book codex.

[street]

Major bosses - they show in the Monster book codex.

Thank you

[valhala556]

And excluding the mystic gate bosses?