BDSP Piplup Only (2021)

Set your time so that you will be in morning right after Fog Route (around 1:50 into the run)
Get Piplup
Get 10 Potions
Wild Starly: Pound spam
Kill 2 Encounters to get L6 (36 experience specifically, likely 2 L3s, catch something if needed)
Reset 8 Speed at level 5 (you can check your L5 stats on the levelup to 6, this is because you cannot beat the Abras in forest)
Starly Trainer: Water Gun spam
Bidoofs: Water Gun Spam
Logan: Water Gun Spam
Make sure you are L8 leaving this route!
Trainer School
Heal in between Abras
Abra: Water Gun + *Water Gun
Charge Beam does 10 at +0 most of the time, 14-16 at +1
Abra: Water Gun + *Water Gun
Teach Work Up to Piplup, heal to full before rival
Rival: Work Up x3, Water Gun, Pound/Water Gun Spam
Don't Pound if you aren't +3, if you are +3, stop pounding after the first Withdraw
Get X-Defend and Escape Rope in Oreburgh Mine
Kill any encounter in Oreburgh Mine (really want it to be Geodude)
Escape Rope out
Center before Roark
Roark: Water Gun, teach Charm over Growl, X-Defend, Work Up x2/x3+ Pound + Water Gun, Water Gun
Work Up x2 if L12 and average SpAtk (12+ neutral IV/21 SpAtk)
Buy 4 Supers and 15 Repels
Grunt Double: Water Gun Zubat (Hopefully Chimchar will have killed Wurmple)
Get Rock Tomb
Get Pluck
Get Pecha Berries
Teach Rock Tomb over Pound
Grunt 1: Rock Tomb, Water Gun x2/*Water Gun
Grunt 2: Rock Tomb + Water Gun
Grunt: Water Gun x3/Water Gun + *Water Gun
Mars: Work Up x2, Charm + Water Gun spam Purugly (3-4 in torrent, 5 out), Rock Tomb Zubat
Get X-Attack
Eterna Forest
Bug Catcher (solo): Rock Tomb, Rock Tomb, Water Gun x2
Pachirisu: Charm, Water Gun spam
Abras (separate): Rock Tomb (+ Water Gun)
Abras (separate): Rock Tomb (+ Water Gun)
Buy 8 Heal Powders 6 Energy Powders 6 Energy Roots
Gym Trainer 1: Work Up, Pluck x2
Gym Trainer 2: Pluck x3 (L15 range)
Gym Trainer 3: Pluck x2
Gym Trainer 4: Work Up, Pluck
Equip Cheri Berry
Gardenia: Work Up x4, Pluck x3 (get Stun Spore ty)