My job is Fletcher, and I think it (Tree Root Crystal) is not necessary.
Sometimes auto target locks on it. Making skill used in vain or miss the main target (monster).
I want you to be solved urgently. It makes the game more difficult to play with the keyboard or controller. , Maybe can disable/enable in settings.
Please experiment with the archer class. Then you will understand that it’s very annoying.
EDIT :: Testing map : Steel Heights : 30-40 Tree Root Crystal in this map.
Tree root crystals are my toys :3
I wish there were on more places like sanctuary 
EDIT: better yet, have them 50% spawn in front of you every time you run out of stamina instead of having them already in places
My stamina is 45pts and I never run out of stamina.
It useless for me.
PS. My LV 259.
good for you 
luckily there are more people in this world that might benefit from it…
reason why stamina pills exist 
I never say to take it away.
But I want some setting to do not it an automatic target lock.
It useless for me !! ( Fletcher C3 )
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It’s only useless for you.
As a wiz 3 i absolutely love those tree root crystal because I can use it to magic missle the cloaked enemy during GvG.
Are people forgetting about monks, corsairs and swordsman in general?
They make use of stamina with their abilities and sprinting.
" some CLASS " guy " some CLASS " //Facepalm
Fletcher is not use a tree root crystal.
That’s why it doesn’t matter. It’s only useless for you and some classes.
As a linker i’d like to see this changed too. Maybe have a toggle where you can choose if you want them to be targetable or not. I try to destroy them before i link but sometimes they pop up inconviniently or the game will ignore monsters right next to me and reach to the other side of the screen to get a crystal tree 