If I look on the creature guide and tap on treent creatures, I'm missing 2 treent's. Cherry Treent, and one I assume you like;)
There is a xmas treent called Giving Treent. Who knows maby this month...
I would go for Wizard school every single time - yes, takes bit to upgrade. But max level wizard school will give you 10 energy every 5 hours. If you have 2 max level Wizard schools you get 20 energy...
I'm only playing Fantasy Forest Story at the moment.
My forest name = Dragon Pool. Come and take a visit ones in a while.
I Always return the visit.
Finally i was been able to breed my own Crystal Unicorn @ 03-21-2017 on Lvl 106
My 2nd; Sapphire Sphinx @ 05-14-17 on lvl 125
My 3th; Garnet Griffin @ 08-24-17 on lvl 154
My 4th; Pearl Peryton @ 10-21-17 on lvl 167
My 5th; Emerald Dragon @ 05-28-18 on max lvl
My 6th; Spinel Ravenstag @ 06-03-18
My 7th; Ruby Razorback @ 09-05-18