Tips for tower events are here.

Startbonus: 125 coins

Collections: 600 coins every 8 hours (5400) = Total: 5525 coins.

The total does not include coins from quests or Dragon TV.

For collecting times check this.

*Dragons:*

Trickster Fae -R- #899: 3 pieces

Seism Fae -VR- #900: 4 pieces

Cherimoya -E- #962: 4 pieces

Galaxy Fae -L- #902: 6 pieces

Fae Flora -L- #1518: at the top