Legend Trader allows you to trade your legendary pokemon for a random one at the cost of potentially losing it.
If your legend trade is successful, there is a 24h cooldown before you may attempt to legend trade again. If you are unsuccessful, there is no cooldown.
You have a 33% Chance of trading for a new random Legendary
You have a 66% Chance of losing your Legendary and obtaining nothing
Legend Trader Menu
How to use it?
/legendtrader - Opens the Menu to select the Legendary to trade away