Walkthrough

Hero's Grave

Requirement: (0x30,0x01)
Set at: 0x27A

Stockholm - Melina's Room (0x1F9)

Requirements: 

Stockholm Cellar (0x203)

Requirements: (0x30,0x08)
Set at: 0x1F9

Lap Tower

Requirements: (0x30,0x20)
Set at: 0x203

Airship (0x292,0x293,0x294,0x28D,0x28E)

Requirements: Lap tower ()

Airship (0x296)

Requirements: (0x31,0x7F)
Set at:
0x292 (0x31,0x01)
0x293 (0x31,0x02)
0x294 (0x31,[0x04,0x08])
0x28D (0x31,0x40)
0x28E (0x31,[0x10,0x20])
 

Airship Bottom (0x28C)

Requirements: (0x32,0x20)
Set at: 0x296

Airsrock (0x0209)

Requirements: (0x32,0x40)
Set at: 0x28C

Overworld Portal (0x123)

Requirement: (0x55,0x80) 
Set at: 0x0209