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