The OASIS announcement says GB is set to medium difficulty and meant to stay valuable, and that "GB melting events" will keep it in check. A homepage card says the same thing: GB, items and characters hold their value. Don't expect a server where gold pours in, and the site doesn't say which events count as GB melting events.
Level 83 mobs with the most coins
| Mob (id) | HP | Coins | Main drop |
|---|---|---|---|
| Ultima (6551) | 7,574,520 | 18,528 | Switching Premium, Silver Bar |
| Devabird (8106) | 1,300,000 | 16,000 | Silvery Gem, Silver Bar, Gold Bar |
| Orc Bandit Leader (2819) | 125,000 | 13,979 | Spell Stone Powder |
| Greed (6451) | 99,000 | 13,812 | Blessed Upgrade Scroll, Dragon Certificate, Silver Bar |
| Envy (6351) | 96,000 | 11,906 | Blessed Upgrade Scroll, Dragon Certificate, Silver Bar |
| Balrog (7015) | 84,258 | 10,000 | Potion of Soul |
| Lust (6251) | 82,533 | 9,992 | Blessed Upgrade Scroll, Dragon Certificate, Silver Bar |
| Wrath (6051) | 86,009 | 8,999 | Blessed Upgrade Scroll, Dragon Certificate, Silver Bar |
| Havoc / Cruel / Hellfire / Enigma | 70,000–80,000 | 8,000 | Spell Stone Powder |
The Coins column is the value on the mob page; the page doesn't explain exactly how much drops per kill. Outside of bosses, Orc Bandit Leader, Greed and Envy pay the most coins, while Ultima and Devabird are bosses with millions of HP. One Atross entry (6920) shows 1 HP and 16,000 coins, which looks like a broken database row.
Coin bonuses: premium and cape
| Source | Coin effect | Price |
|---|---|---|
| Disc (DC) Premium | 100% coin bonus; 1% more coins from NPC sales | 600 AB (30 days) |
| War Premium | 30% coin bonus; 1% more coins from NPC sales | 600 AB (30 days) |
| Switching Premium | Swap between EXP, WAR and DC | 700 AB (30 days) |
| Solorin (solo cape) | Coin 20% (plus Drop 10%) | Voucher of Solorin 350 AB (30 days) |
| Farm Package | Includes DC Premium | 1,100 AB |
DC and War Premium both give 50% off repairs, and since repairs cost gold while farming, that adds up. Clan Premium has no coin line.
Turning drops into GB
- NPC sales: selling drops to an NPC is straight coins, and DC or War Premium adds 1% on top.
- Merchant: for selling to players, [Arty] Offline Merchanting and Slave Merchant Scroll cost 1 KC in the PUS.
- Bars: the April 28, 2025 post values a Platinum Bar at 10 GB; the site gives no GB value for Silver or Gold Bars.
- Auto Mining: the only mining on the server, no premium needed, voucher 350 AB. The drop list isn't archived.
Where GB goes
| What | Cost | Source |
|---|---|---|
| Blessed Upgrade +6→+7 / +7→+8 | 1,000,000 / 2,000,000 coins | Upgrade page |
| Accessory Compound +0→+1 / +1→+2 / +2→+3 | 100,000,000 / 200,000,000 / 300,000,000 coins | Upgrade page |
| Perk reset | 1 GB | OASIS announcement |
| Open All Achieve | 10 GB | OASIS announcement |
| Draki Pendant material | 1 Platinum Bar (10 GB) | April 28, 2025 post |
GB rules: what gets you banned
BianKO's user agreement strictly bans buying or selling GB, items, characters or KC for real money, and accounts caught doing it are banned with no end date. All third-party software is banned too, bots and macros included; the only exception is key-combo software built into hardware like a mouse or pedal. Handing out items at the market is an instant ban.
What the server sells for money is balance, not GB: you convert AB to KC (10 AB = 500 KC), and the only partner dealer is KlasGame. GB itself comes from inside the game, from mobs and trading.
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