Maze explanation is here.

Startbonus: 400 coins
Collections: 600 coins every 8 hours (19800) = 20200 coins.
The total does not include coins we can get from quests or dragon tv.
For Collecting times check this.

Dragons:
Monk -L- #1456: The path costs 28900 coins.
Squid -R- #515: The path costs 750 coins.
Illumidepth -VR- #1537: The path costs 2585 coins + 1 key = 2965 coins.
Sea Virago -VR- #1270: The path costs 2605 coins + 2 keys= 4955 coins.
Frostscale -E- #1291: The path costs 3800 coins + 3 keys = 7750 coins.
Nazca -E- #437: The path costs 4035 coins + 4 keys = 8565 coins.
Mad Scientist -E- #1041: The path costs 6525 coins + 5 keys = 13645 coins.
Hermicrab -E- #1536: The path costs 6700 + 6 keys = 15705 coins.
Chillheart -L- #1293: The path costs 10440 coins + 7 keys = 24970 coins.

Timelimited:
Jun18-20: Krait -E- #340: The path costs 2590 coins. Here we get puzzle moves.
Jun21-23: Otoroshi -R- #499: The path costs 7850. We can get food here.
Jun23-25: Neumon -E- #881: The path costs 5300 coins. Here are flightstamps.
Jun24-28: Foot Role -L- #15??: The path costs 9500 coins. This dragon will show up once the path is available.
Jun27-28: Molluscular -L- #1535: The path costs 9895 coins.

The colors on the tables are not the colors of the paths in the maze.

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