Here is the full list of all 62 Merchant achievements.
Defeat the Lich King, the Boss of Vulkrum Badlands.
Good luck.
You've hired a full stable!
Sell a Legendary item. Really? You finally got a Legendary and now you're going to sell it?
5000? Really? You're heroes are probably pretty tired of getting beat up.
Legendary Weaponsmith!
The Grand Protector!
Reach Hero level 50. A god emerges.
Unlock 64 additional inventory slots.
Over 50,000 Gold earned. You'll be famous in no time at this rate.
Over 100,000 Gold earned. You've made it.
Deal 100k total damage with a single Hero. This Hero may be a borderline sociopath. Someone should keep an eye on this guy.
Equip a Hero with all Legendary items. Suga how you get so fly?
Equip a Hero with all Epic items. Lookin' fresh.
Wow, you've actually played this game that much. Impressive.
Geez man we get it, you're good at this game.
10000? Seriously?
You actually SOLD an item worth 50k? Why though...
You only have 12 hero slots though??
Wow, just wow.
Defeat the Legendary Azuros.
Welcome to the Hall of Heroes.
Woooosh
You chose right.
Aww, death is so cute.
I don't even know what to say. I think we should be paying YOU at this point.
Prestige a Hero.
Defeat Ares, the Boss of Aldur Highlands.
Reach Hero level 40. A legend is born.
Sell 1000 items. Wow that's a lot of items.
Sell an Epic item. I know it can be hard to part with.
Deal 50k total damage with a single Hero. Someone needs to stop this guy. It's getting out of control.
Craft an item with a +4 Suffix.
That's a lot of potions.
He's not the hero we need, but the one we deserve.
Sell an item for more than 2,000 gold.
Unlock 32 additional inventory slots.
Die 10 times. Do it. You won't.
Gotta keep safe!
Reach Hero level 30. A mighty warrior you have shaped up to be.
Making an army!
Over 10,000 Gold earned. You should go out an celebrate.
1000 Quests? Really? *Slow Clap*
Sell an item for more than 1,000 gold.
Defeat Basamus, the Boss of Yarsol Cove.
Reach Hero level 20. Quite the adventurer you've become.
Unlock the Berserker Hero Class.
Deal 10k total damage with a single Hero. That's a lot of damage.
Hire 5 heroes to send on quests.
Sell an item for more than 500 gold.
Sell 100 items. It makes you money. Give it a try.
Unlock 8 additional inventory slots.
Reach Hero level 10. You're on your way traveler.
Defeat Maexna, boss of the first Region.
Create an item with a prefix or suffix bonus.
Finish 100 Quests. Quite the accomplishment.
Find and defeat your first rare enemy.
Hire 3 heroes to send on quests.
Craft a weapon. Helpful for defeating enemies.
Craft a piece of armor. Try equipping it. Or don't. I'm not going to tell you how to live your life.
Sell something. Anything. Try it out, it's really easy and rewarding.
Craft a potion. Use potions to avoid dying. Not dying is an optimal strategy.