TM84 Poison Jab

==Information==
Location: Water Treatment Center
Available: After Badge 14
==Guide==
Go to Grand Hall and cover the expense of the Affordable Living in Obsidia Project.
Go to South Obsidia Ward and go into the SOLICE building. Talk to the rightmost guy to get the GUM Key.
Go to the first area after the entrance. Go right and into the next room. 
Go to the locked room in the upper right corner. In the new room, go to the upper right corner.