Junundu Siege

Launch a rock at your foe. — In-game description

Junundu Siege

 

Profession

Common

Bundle

Junundu Wurm

Game link

“

0.5½  20  

Junundu Siege

Launch a rock at your foe.

 Range: 1,800

— In-game description

Junundu Siege is a skill you get while "mounting" a junundu while Help cadets train junundu wurms and earn grade points by completing the training course event is active.

The Guild Wars Wiki has an article on Junundu Siege.