Just some bits of things I'd suggest adding/removing (adding D ranks and some unranks included):
Things To Add:
Wallbreakers:
Physical:
Tsareena
Physical:
Dhelmise (D Rank)
Special:
Mega Ampharos
Walls:
Physically Defensive:
Pyukumuku
Physically Defensive:
Blastoise (D Rank)
Pivots:
Offensive:
Mega Ampharos
Offensive:
Jolteon ( D Rank)
Entry Hazard Users:
Stealth Rock:
Torkoal
Stealth Rock:
Archeops
Stealth Rock:
Lycanroc
Stealth Rock:
Smeargle
Sticky Web:
Slurpuff
Sticky Web:
Smeargle
Suicide Leads:
Lycanroc
Suicide Leads:
Slurpuff
Hazard Removal/Prevention:
Rapid Spin:
Blastoise (D Rank)
Defog:
Rotom-F
Choice Item Users:
Choice Band:
Goodra
Choice Band:
Escavalier
Choice Band:
Rhyperior
Choice Band:
Sneasal
Choice Band:
Golisopod
Choice Band:
Dhelmise (D Rank)
Choice Specs:
Moltres
Choice Specs:
Rotom-C
Choice Specs:
Hoopa
Choice Specs:
Rotom-H
Choice Specs:
Dragalge
Choice Specs:
Goodra
Choice Specs:
Charizard
Choice Specs:
Jolteon (D Rank)
Choice Scarf:
Salazzle
Choice Scarf:
Delphox
Choice Scarf:
Ditto
Trappers:
Pursuit:
Drapion
Priority:
Aqua Jet:
Golisopod
Bullet Punch:
Machamp
First Impression:
Golisopod
Setup Sweepers:
Swords Dance:
Necrozma
Swords Dance:
Mega Abomasnow
Swords Dance:
Decidueye
Swords Dance:
Bewear
Swords Dance:
Drapion
Calm Mind:
Sigilyph
Shell Smash:
Barbaracle
Other:
Venusaur (Growth)
Trick Room Setters:
Uxie
Aromatisse
Z Move Users:
Grassium Z:
Decidueye (Leaf Blade)
Grassium Z:
Ninetales (Solar Beam)
Fightinium Z:
Durant (Superpower)
Normalium Z:
Bewear (Double Edge)
Icium Z:
Qwilfish (Haze)
Icium Z:
Rotom-F (Blizzard)
Buginium Z:
Necrozma (X-Scissor)
Fairium Z:
Cresselia (Moonblast)
Fairium Z:
Comfey (Draining Kiss)
Rockium Z:
Barbaracle (Stone Edge)
Firium Z:
Ninetales (Fire Blast)
Groundinium Z :
Necrozma (Earthquake)
Decidium Z:
Decidueye (Spirit Shackle)
Things To Remove:
Banned/Higher Tier:
Zoroark (Pivots: Offensive; Z Move Users: Fightinium Z)
Heracross (Setup Sweepers: Swords Dance)
Kingdra (Setup Sweepers: Other)
Unviable Pokemon: These Pokemon Have No Niche In The RU Metagame.
Audino (Clerics: Wish, Heal Bell/Aromatherapy; Trick Room Setters)
Alolan Persian (Pivots: Defensive; Z Move Users: Darkinium)
Slowbro (Pivots: Defensive; Trick Room Setters; Z Move Users: Waterium)
Braviary (Setup Sweepers: Bulk Up)
Minior (Setup Sweepers: Shell Smash)
Omastar (Setup Sweepers: Shell Smash; Z Move Users: Waterium Z)
Vivillion (Setup Sweepers: Quiver Dance, Z Move Users: Flyinium Z)
Emboar (Z Move Users: Electrium Z)
Unviable Sets: While These Pokemon Are Viable In The RU Metagame, Some Of Their Listed Sets Aren't.
Ribombee (Wallbreakers: Special)
Tsareena (Clerics: Heal Bell/ Aromatherapy)
Flygon (Choice Item Users: Choice Band)
Toxicroak (Setup Sweepers: Nasty Plot)
Chesnaught (Setup Sweepers: Belly Drum)
Venusaur (Z Move Users: Normalium Z)
Kommo-o (Z Move Users: Fightinium Z [Sky Uppercut])
Flygon (Z Move Users: Steelium Z)
Durant (Z Move Users: Electrium Z)
Necrozma (Z Move Users: Psychium Z [Psychic])
Diancie (Z Move Users: Fairium Z)
Escavalier (Z Move Users: Buginium Z)
Lycanroc (Z Move Users: Rockium Z)
Mismagius (Z Move Users: Fairium Z)
(Listed list of pivots twice lmao.)
Btw, you've spelled Fightinium Z in the roles page wrong lol. Just want to point that out.