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- 1). Play through the game's main storyline until you reach the boss battle against Edea at the end of Disc 2.
- 2). Select the "Draw" ability at the beginning of the fight and select "Alexander" from the draw menu. Defeat Edea using your best GFs, attacks and magic abilities.
- 3). Travel to Tear's Point in the Esthar region via airship or Chocobo, or on foot.
- 4). Open the treasure box near the Draw Point in Tear's Point to receive the Solomon Ring. This is a necessary item for unlocking Doomtrain.
- 5). Travel to the wasteland areas that surround Galbadia Garden to encounter Wendigos. Use the Steal or Mug ability on a Wendigo to receive a Steel Pipe. Continue this process until you have collected six Steel Pipes.
- 6). Travel to Grandidi Forest in the Esthar region to encounter Malboros. Use the Steal or Mug ability to steal Malboro Tentacles from a Malboro. Continue this process until you receive six Malboro Tentacles.
- 7). Travel to any item shop and purchase 60 Remedy. Use Alexander's Med LV Up ability from the GF menu to turn the 60 Remedy into six Remedy+.
- 8). Open your item menu and select the Solomon Ring after collecting six Remedy+, six Malboro Tentacles and six Steel Pipes. This will give you the option to summon the Doomtrain GF.
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