Currently there are 5 weapon types. Each weapon mastery skill tree has 14 nodes. You will be able to skill 10 nodes. Right now ~85% of the nodes are done.
Here are some previews of some of the possible effects.
'Meteor Rain' has a chance to cast 'Firenova' on impact.
On crit. chance to cast 'Heavy Slash'.
On attack chance to trigger 'Slice'.
