The way I see it:
Titans- Great in PvE, terrible in PvP if it wasn't for Loreley Splendor.
Warlocks- Amazing in PvP, could use a buff in PvE
Hunters- Good in PvE (though they may suffer a bit more once Classy Restoration goes), amazing in PvP (Radiant on demand from class ability is broken)
English
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Takes a dodge charge which leaves the caster stuck for a moment, lasts for 6-12 seconds depending on the player, and requires certain weapons to take and skill to take full advantage of it. My warlock vortex nade build has more consistency with little setup