Question: How does one acquire or obtain fossils?
Answer: To get fossils you must defeat Dark Trainer.

Question: How many accounts are actually allowed?
Answer: A total of 3 accounts are allowed per ip.

Question: How to get clan credits?
Answer: Once you join a clan, you get a clan point on every battle you win.

Question: How do I change battle points to coins?
Answer: Go to the bank, where you can swap Battle Points for Coins at a ratio of 12 Battle Points per 1 Coin.