How to beat Dark Souls 1 with Chaos Blade only and No Healing (All Bosses, Samurai Brasileiro)

a complete playthrough of Dark Souls 1 using only the Chaos Blade katana with no healing, even though my weapon damages me with every successful swing (and my character is a Brazilian Samurai) 00:00 Intro & Asylum Demon 02:18 Gathering Souls and Humanities (w/ Taurus Demon) 04:51 first weapon upgrade (w/ Moonlight Butterfly) 07:45 Bell Gargoyles 08:42 Quelaag (w/ grabbing the Grass Crest Shield) 10:43 Ceaseless Discharge 11:39 Power Within, Red Tearstone, Sacrifice Ring (w/ Capra Demon) 13:09 Rescuing two NPCs (w/ Gaping Dragon) 14:18 Fall Control, Rusted Ring and Snuggly trading (w/ Stray Demon) 16:08 gathering Demon Titanites (w/ Iron Golem) 19:20 upgrading weapon to max (w/ Ornstein and Smough) 22:29 dark Anor Londo (w/ Gwyndolyn) 23:12 rescue Dusk (w/ Sif) 24:54 Seath 28:38 Demon Firesage 29:10 Centipede Demon 29:54 Bed of Chaos 30:32 Pinwheel 31:01 Nito 32:39 Four Kings 34:50 Sanctuary Guardian (dlc) 35:13 Artorias (dlc) 36:28 Silver Pendant, Key to unlocking Kalameet (w/ Manus) 38:56 Kalameet (dlc) 40:29 Gwyn 41:50 outro To be honest, this challenge was way easier than I thought, which really proves how powerful the Chaos Blade is!