I'm trying to find a solo build that would work for Single Blade/Darkness. Please critique

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Hoopz: Level 40 Champion

Superstats:

Powers:
Level 1: Rain Of Steel -- Grinning Ghost
Level 1: Reaper's Caress -- Vicious Vigor
Level 5: Scything Blade
Level 5: Swinging -- Rank 2
Level 8: Shadow Embrace -- Rank 2, Fatal Allure, Accelerated Metabolism
Level 11: Ebon Void
Level 14: Iron Lariat
Level 17: Regeneration -- Rank 2, Rank 3
Level 20: Dragon's Bite -- Cull The Weak
Level 23: Lifedrain -- Rank 2, Rank 3
Level 26: Ego Storm -- Malevolent Manifestation, Rank 2
Level 29: Nanobot Swarm -- Rejuvenating Injectors
Level 32: Reaper's Embrace -- Rank 2, Rank 3
Level 35: Telekinetic Eruption -- Rank 2
Level 35: Teleport
Level 38: Shadow Form -- Rank 2, Rank 3

Talents:

Your idea looks fun to play.

hmm...a focus would be more useful since it boosts all damagetypes o.o sb and db focii are fairly easy to maintain since you can use objects for it ^_^