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