I have no idea where to start so I guess I'll list some of the gear I use to create brutal tones
Guitars
ESP Horizon FRII
Neck-Thru-Body 25.5” Scale Mahogany Body Quilted Maple Top Maple Neck Ebony Fingerboard 42mm Locking Nut Thin U Neck Contour 24 XJ Frets Black Nickel Hardware Gotoh Tuners Floyd Rose Original Bridge Seymour Duncan Blackout (B) / 85 (N) p.u Finish: STR ESP Eclipse II
24-3/4" scale 22 extra-jumbo frets Mahogany body with carved quilted maple top Cutaway design for high fret access Set mahogany neck Rosewood fretboard EMG-81 (bridge) and EMG-60 (neck) humbuckers Gotoh Tune-o-matic-style bridge with stop tailpiece Sperzel locking tuners 2 volume and 2 tone controls with 3-way switching White binding on body, neck, and headstock Edwards Explorer
BODY Mahogany NECK Mahogany FINGERBORAD Rosewood, 22frets RADIUS 305R SCALE 24.75 inch (628mm) NUT Bone (42mm) INLAY Pearl Dot JOINT Set-neck TUNER GOTOH SD90-SL BRIDGE Old Type Tune-Matic & GE101Z PICKUPS (Front) Seymour Duncan SH-1n (Rear) Seymour Duncan SH-4 PARTS COLOR Nickel CONTROLS Master Volume, Master Tone,Toggle PU Selecto Amps
Line 6 Spider Valve HD100
Effects
Ibanez TS-9 Tube Screamer ISP Decimator Korg DTR-1000 Tuner BBE Sonic Maximizer 482i