Concentration Boost
Increase your max Concentration by 3.
Where to get
Show on the tree It opens the Earthshaker tree.
It opens when any one of the nodes it needs has a point.
Numbers
TreeEarthshaker
Concentration+3
Needs one of
Fireball (Magician)
Leads to
Fire Damage Increase (Magician)
Concentration Boost (Minotaur)