Went through Drayano's Sinking Sapphire mod in a Hardcore Nuzlocke (Google his mod if you're interested), and decided to record it! Was fun doing this run!
Hardcore Rules means no items in-battle (held items + outside item heals are ok), and playing on Set mode so I'm not offered to Switch. Used PK Hex for EVs + genning quality of life stuff solely for saving time, but I did NOT tamper IVs or abilities (whatever the Pokemon came with is what I got hence some less than ideal abilties/situations).
I did say Megas and using Sub was fair game, considering what I was up against, lol.