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