I guess nobody is interested in this rehash of a maze, but by my reckoning, it only costs 1580 coins to pick up Tempest (and you get a Ledovech egg too on that path).
Salamander, Nemstriborg, Frostbite, Gainova (and probably Malair on the secret path again) are also involved.
As for Living Forest, well one day I want him, but not for £100 worth of maze coins. :/
Thanks Marianne for the event charts :)
For Indian timezone use the + 6 - a halve hour
Edit: warning these times are from Taringa aren't official first time was correct so hope the rest is too ;)