Patch 3.1.0 (2009-04-14): This talent has been moved to tier-2, up from tier-9, and is now a 3-point talent.
Trap Mastery, Resourcefulness and T.N.T. now all affect Black Arrow. Patch 3.0.8 (2009-01-20): Now only increases periodic damage done by Immolation and Explosive Trap. (Old - All damage)