This save will unlock the following achievements.
Pet Hoarder - Use the Cabbage, Brain, Vial of Blood, Petri Dish, Wolf Fang and Honeycomb
Be Prepared - Use the following potions all together.
Gravitation Potion, Invisibility Potion, Obsidian Skin Potion, Hunter Potion & the Shine Potion.
Maxed Out - Fill your hearts and mana to the max with the Life Crystals and the Mana Crystals.
Engineer - Use the Wrench to place 100 wires.
Crowd Control - Use the Goblin Battle Standard to spawn the Goblin Army, then defeat them.
Ride The Worm - Use the Mechanical Worm to spawn the Destroyer and then defeat him. (Can only be done at Night)
Ophthalmologist - Use the Mechanical Eye to spawn the Twins then defeat them. (Can only be done at Night)
Bona Fide - Use the Mechanical Skull to spawn Skeletron Prime and then defeat him. (Can only be done at Night)
Vanity of Vanities- Just equip another set of armor into the Vanity section.
There are other boss spawners in this save to help defeat all the bosses.
Click the link below to get saves for the Hallowed and Corruption Achievements