Dark Fenichan and Dark Fenikarei Effect Error

I'm really enjoying this game but some things are slowing me down

Barely started and already stuck.

Error when playing Dark Fusion Hakkaryo

What is for example GUARIJIN, MAELSTRUMA etc?

Overdrive Explanation

Any Way to View Rival Deck?

Deck Showcase - Dark Robomoku OTK

Dark Ejito not doing overcharge effect because it destroys itself first

Any Way to Grind for Dark Cards?

Error starting fights

Dark Awakened Fenroar Bug

New Boosters?

Final Stardust: By A Casual Gamer, For Casual Gamer. Also FInal Stardust: Rewards Skill Instead Of Minmaxing.

German language