o7
Tried out this Onyx in the T5 abyss, just got through. I can imagine with a bit more bling itd be a good T5 ship 
[Onyx, *onyx abyss]
Ballistic Control System II
Ballistic Control System II
Ballistic Control System II
Damage Control II
Federation Navy Stasis Webifier
Multispectrum Shield Hardener II
Pithum B-Type Medium Shield Booster
10MN Monopropellant Enduring Afterburner
Republic Fleet Large Cap Battery
Multispectrum Shield Hardener II
Heavy Assault Missile Launcher II
Heavy Assault Missile Launcher II
Heavy Assault Missile Launcher II
Heavy Assault Missile Launcher II
Heavy Assault Missile Launcher II
Medium Capacitor Control Circuit II
Medium Core Defense Operational Solidifier II
Caldari Navy Scourge Heavy Assault Missile x4670
Scourge Rage Heavy Assault Missile x4120