Where is mages poking stick

[Technician]

I go to Laine in Monsoon and yet he isn't selling it? Bug or do i need to do something to get him to sell the stick

[Barara]

alchemy NPC in monsoon the look like a branch

[Valandryl]

In french it's only called "mage staff", it's a staff that looks like a branch and costs 375 silver.