(Usable artillery.)
(Apparently can only be used by members of the Elyos legion that captured the fortress.)
(The artillery seems to be working perfectly.)
(A usable artillery.)
(Apparently, it can only be used by the members of the Elyos legion that took the fortress.)
(A usable artillery.)
(For some reason it isn't working properly.)
(You use the artillery successfully.)
(You can now use the artillery skills.)