Anyone know where I can find a trainer to buy berserker skill upgrades? Since I rarely ever see any on the broker, I figured that this would at least help a little.
In Elddar Grove, go to North Qeynos gate, then go south west. The froglok and other 2 trainers are located in a stone ring without roof.
If you zone into North Qeynos from Eldar Grove there is a Barbarian Trainer there that sells all of the upgrades. The Froglok one seems to only sell some of them. The frog does however have the fun spells, and the barbarian does not.
There are two other trainers standing right near the froglok. The froglok sells all App II spells up to level 30. The other 2 trainers sells spells 30 - 50.