Economy
The most common way an MMORPG economy collapses is piling living costs, market trading and endgame progress onto a single currency. Endless Adventure Online splits them into three layers from day one, so every source and sink stays where it belongs.
Design Principle
Silver pays for system services, Gold runs the player market, Diamonds gate endgame progress. Regular grinding shouldn’t print market currency, endgame gear shouldn’t be buyable with raw Gold, and a newcomer’s living costs shouldn’t feed auction house inflation.
SILVER
Living costs ・ system-service currency
Main sources
Main uses
Silver never enters the player market: you can’t buy from other players with Silver, and you can’t mail Silver to them either.
GOLD
Player market ・ trading currency
Main sources
Main uses
Gold is the only pricing unit on the player market. All four trading channels charge a sales tax only — there is no listing fee and no cancellation fee. Regular monsters generally don’t drop Gold directly, so grinding never becomes a money printer.
DIAMOND
Endgame progress ・ pity resource
Main sources
Main uses
There are two official ways to convert between Diamonds and Gold: the Diamond Exchange (player to player, floor 15 Gold per Diamond, 10% fee on the Gold side) and the Black Market Merchant (an emergency Diamonds-to-Gold channel with a deliberately worse rate than the player market). Diamonds cannot be transferred directly between players.
Trading Rules
“Can it be listed, what currency pays for it, and can it be sold to an NPC” are three different questions.
| Tier | Player trading (Gold) | Binding rules | Selling to NPCs |
|---|---|---|---|
| All equipment (White to Orange) | Tradable while unequipped (exchange, direct trade, personal stall) | Permanently character-bound once equipped — no rarity exceptions, Legendaries included | Sells to NPCs for Silver |
| Account-bound-by-source gear | Not tradable (shop, quest, event, NPC shop, Merchant Kingdom purchases) | Account-bound on acquisition; an Equipment Unbinder allows one trade, but world boss weapons and similar sources can’t be unbound | Sells to NPCs for Silver |
| Materials / consumables | Listable on the exchange (Gold) | Mostly unbound; all potential items are account-bound | Depends on the item |
Why It Lasts
Three currencies aren’t there to complicate things. They’re there so that when you come back three months later, your Gold is still worth something, the Legendary you fought for hasn’t turned to junk, and no one can swipe a card straight to the finish line.
Endgame gear can’t be bought out
Every piece of equipment binds permanently to the character once worn, so the second-hand market only carries never-worn gear; world boss weapons and paid or event items are account-bound and never reach it. Players who put in the time won’t be outspent overnight.
Loot hunting still pays
Gear of any rarity stays listable before it’s equipped, and materials flow steadily into the market — farmers earn a fair income.
Living costs never touch the market
Silver covers everyday expenses like teleports, skills and processing. It’s a separate loop from auction house Gold, so the two never pull on each other.
Old gear retires with dignity
New versions don’t add a red tier to trash your Legendaries. Same-tier, higher-level gear takes over instead, so old pieces still hold up for a while.
F2P Promise
Read next: equipment & enhancement ・ life skills ・ shop
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