Auction Hall is in chapter 7 where you can bid items. There are some other computers who buy items as well. The prices will be a lot higher than normally.
So what items you would like to buy from there? There should be items that you missed in early chapters and can be bough here.
Currently there are(prices are not accurate):
- Falchion: 3,000
- Tzitorin: 1,000
- Juggernaut Armor: 2,000
- Mana Gem: 1000
- Health Gem: 1000
- Anaho Relic: 1,000
- Magic Shackles: 2,500
- Decimation: 2,000
- Rogue's Hood: 1,500
- Azure Visage: 2,000
- Ring Of Tides: 3,000
- Endless Potion: 1,000
- Platinum Ring: 1,000
- Restore Life: 6,000
- Restore Mana: 6,000
- Killer's Armor: 1,500
- Amulet Of Great Magic: 4,000
- Amulet Of Great Life: 4,000
- Amulet Of Life: 2,000
- Amulet Of Magic: 2,000
- Golden Shovel: 2,000
ONCE:
- Second part of Holgro: 1,000
- Magic Orb: 3,000
- Lightning Boots: 1500
- Lightning Gloves: 1500
- Lightning Shield: 1500
- Lightning Stone: 1500
- Cursed Blade: 10,000
- Doom Helmet: 10,000
- Exepede: 4,000
- Pete's Pipe: 3,000
- Sack Of Endless Food: 5,000
- Book Of Regeneration: 5,000
- Power Hammer: 5,000
- Sword Of Haste: 5,000
- Ice Crystal: 5,000
- Greedy Bastard: 5,000
- Skull Shield: 5,000
- Master Key: 1,000
- Healing Pentagram: 10,000
- Ragnarok: 40,000