Crystal Cannon is a Cabal Online skill learned by Force Archer from class rank 4. Description as it appears in the game:
Superior magic spell of the ice
| Classes that learn it | Force Archer |
|---|---|
| Rank required | 4 |
Other Force Archer skills at rank 4
These unlock at the same class rank, so the same quest gives you all of them: Poison Arrow, Curse of Wither, Change Force (Magic), Change Force (Sword), Magic Cannon, Stone Cannon, Aqua Cannon, Wind Cannon, Fire Cannon, Lightning Cannon.
FAQ
What does Crystal Cannon do in Cabal Online?
Superior magic spell of the ice
Which class learns Crystal Cannon?
Crystal Cannon is learned by Force Archer. It unlocks at class rank 4.
How do I raise my class rank?
Through the class rank quests the game offers every few levels. Each rank opens new skills and, later on, the Battle Modes.