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.
Shadow [R] #859 - 3 pieces
Power [VR] #703 - 4 pieces
Heat [E] #444 - 4 pieces
Sidemen [L] #1365 - 5 pieces
Black Fire [L] #995 - 6 pieces
Cosmic Detonation [L] #1357 - at the top
All chests on our map contain orbs of Cosmic Detonation dragon. Everything else can be seen in the game itself.
Click here to have it less blurry.