Sphere 211 (スフィア２１１, Sufia Nihyaku-jūichi)

𝐒𝐩𝐡𝐞𝐫𝐞 𝟐𝟏𝟏 is the headquarters of the company Sphere, which controls almost all of the Lost City. The building sports countless defense systems and private guard units, under the pretext of protection from terrorism.

The 211 in its name refers to its number of floors, of which floors 101 and above are initially blocked to the party. They can only be explored after defeating Gabriel Celesta at the Maze of Tribulations, who mentions that the seal has been broken. In the sealed floors, the player can find some of the most powerful enemies, armor and weapons in the game.

Enemies:

Regular
4D Security Soldier
Incapacitator 4
Lv3 Robo Gunner
Security Soldier

Bosses
Azazer
Belzeber & Berial (floor 5)
Norton Redux (floor 101)
Enraged Crosell (floor 115)
Shadow Dragon (floor 126)
Vengeful Shelby (floor 137)
Frenzied Bewig (floor 147)
Green Majora (floor 159)
Arch Demon (floor 170)
Angry Azazer & Raging Belzeber (floor 181)
Furious Berial (floor 192)
Super Blair (floor 200)
Lenneth (floor 210)
Ethereal Queen (floor 211)