Here is the full list of all 94 Shop Titans achievements.
Increase your merchant level
Have a Hero reach a high level
Spend a lot of uncommon resources
Earn lots of gold!
Enchant a legendary item
Clear many quests
Spend a lot of energy
Help fellow guild members
Make a lot of gold from a single sale
Slay many bosses
Expand your shop
Fully ascend several items
Spend a lot of common resources
Bring back lots of components from quests
Open many chests
Hire many champions
Upgrade a furniture to a high level
Enchant many items
Sell a ton of items
Craft many items
Master many blueprints
Deal massive damage with a single attack
Enchant an item with both a spirit and an element
Research lots of blueprints
Hire many workers
Earn tokens at the Fortune Zone
Spend a lot of rare resources
Unlock all item types
Reach Argon's final rank
Reach Sia's final rank
Reach Yami's final rank
Reach Lilu’s final rank
Reach Rudo’s final rank