The visitor suit

On level 35 Gunslinger:

Helmet: +1 Roora Core, +1 Speed Connection Cell = Powerful Visitor Helmet.
Overall: +1 Hase Core, +1 Speed Connection Cell = Dexterous Visitor Overall.
Gloves: +1 Hase Core
Shoes: +1 Hase Core, +1 Speed Connection Cell = Dexterous Visitor Shoes.

Getting the first bonus from Visitor Set (+20 Defenses).

The Cells description is missing stats:
+ 1 HP
+ 2 Weapon Defense
+ 2 Magic Defense
+ 1 Avoid/Accuracy/Speed/Jump

Avoid Cell transforms into Power Visitor gear.
Accuracy Cell transforms into Lucky Visitor gear.