Saffron Underground

Overview
Saffron Underground, a “secret” area located in Saffron City in Kanto, is a place that contains some special items and new NPCs, but everyone there cares about only one thing: money, and they’ll do anything to get it.
Entry Requirements
You must stop Team Rocket from invading Silph Corporation, meaning you need at least five badges and access to Saffron City. After preventing the invasion, all you need to do is enter the opening near Saffron’s Train Station.
Items & Clothing
Saffron Underground contains several unique items, such as: Poké Bahl, Funky Spray, and Tainted Candy, as well as some outfits: Zen Pin, Purple Mask, and Marsh Badge Cape.
Poké Bahl
“A cheap Chinese knockoff Pokéball. Looks real, but don't expect it to work.”
As the description suggests, it’s a regular Poké Ball but cheaper, costing 100₽. However, it fails when attempting to catch a Pokémon. If you try to use it, the message appears:
“...but it's a cheap knockoff and failed miserably.”
Tainted Candy
“Sweet as sin. Just... don't read the ingredients.”
Tainted Candy works like an Exp Candy, it grants 500 XP when used on a Pokémon. However, it makes the Pokémon hate you, decreasing its friendship. It costs 800₽.
Funky Spray
“A stinky repel that attracts Pokémon for 100 steps.”
This item works like a Repel, except it attracts wild Pokémon instead of repelling them. It lasts for 100 steps, the same as a regular Repel, and costs 800₽.
Blocked Area
Unfortunately, Saffron Underground is not fully complete yet. A section is missing and will come in future updates.
It is currently blocked by bikers who prevent you from going further.