Short description of this fit: Only tested in T4 dark filaments, 60+ filaments with no losses. In rooms with lots of small ships try to use blue clouds as much as possible.
[Sacrilege, abyss moderate bling] Domination Ballistic Control System Centum C-Type Medium Armor Repairer Domination Ballistic Control System Centum C-Type Medium Armor Repairer Corelum C-Type Multispectrum Energized Membrane Gistum C-Type 50MN Microwarpdrive Republic Fleet Large Cap Battery Federation Navy Stasis Webifier Federation Navy Stasis Webifier Heavy Assault Missile Launcher II, Caldari Navy Nova Heavy Assault Missile Heavy Assault Missile Launcher II, Caldari Navy Nova Heavy Assault Missile Heavy Assault Missile Launcher II, Caldari Navy Nova Heavy Assault Missile Heavy Assault Missile Launcher II, Caldari Navy Nova Heavy Assault Missile Heavy Assault Missile Launcher II, Caldari Navy Nova Heavy Assault Missile [Empty High slot] Medium Bay Loading Accelerator II Medium Warhead Flare Catalyst II Federation Navy Hammerhead x5 Republic Fleet Valkyrie x5 Low-grade Asklepian Alpha Low-grade Asklepian Beta Low-grade Asklepian Gamma Low-grade Asklepian Delta Low-grade Asklepian Epsilon Inherent Implants 'Noble' Repair Systems RS-603 Zainou 'Snapshot' Heavy Assault Missiles AM-703 Zainou 'Deadeye' Guided Missile Precision GP-803 Zainou 'Deadeye' Target Navigation Prediction TN-903 Zainou 'Deadeye' Rapid Launch RL-1003 Improved Crash Booster Agency 'Pyrolancea' DB5 Dose II Nova Javelin Heavy Assault Missile x2000 Nova Rage Heavy Assault Missile x2000 Caldari Navy Nova Heavy Assault Missile x10000
From https://www.reddit.com/r/Eve/comments/98asvw/300_t5_abyssals_no_losses_a_complete_guide/.
[Sacrilege, Into the Abyss PIMP] Corpum A-Type Medium Armor Repairer Dread Guristas Ballistic Control System Corpum B-Type Multispectrum Energized Membrane Dread Guristas Ballistic Control System Corpum A-Type Medium Armor Repairer Gistum A-Type 10MN Afterburner Thukker Large Cap Battery Federation Navy Stasis Webifier Federation Navy Stasis Webifier Heavy Assault Missile Launcher II Heavy Assault Missile Launcher II Dark Blood Medium Energy Nosferatu Heavy Assault Missile Launcher II Heavy Assault Missile Launcher II Heavy Assault Missile Launcher II Medium Bay Loading Accelerator II Medium Warhead Flare Catalyst II Valkyrie II x5 Hammerhead II x5 High-grade Asklepian Alpha High-grade Asklepian Beta High-grade Asklepian Gamma High-grade Asklepian Delta High-grade Asklepian Epsilon High-grade Asklepian Omega Zainou 'Snapshot' Heavy Assault Missiles AM-705 Zainou 'Deadeye' Guided Missile Precision GP-805 Zainou 'Deadeye' Target Navigation Prediction TN-905 Zainou 'Deadeye' Rapid Launch RL-1005 Standard Exile Booster Standard Crash Booster Agency 'Pyrolancea' DB7 Dose III Scourge Rage Heavy Assault Missile x1000 Inferno Rage Heavy Assault Missile x5000 Nova Rage Heavy Assault Missile x5000 Mjolnir Rage Heavy Assault Missile x1000 Caldari Navy Nova Heavy Assault Missile x10000 Caldari Navy Inferno Heavy Assault Missile x10000 Caldari Navy Scourge Heavy Assault Missile x1000 Caldari Navy Mjolnir Heavy Assault Missile x1000