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