There’s no more iconic Terraria surprise than sprinting toward a shiny golden chest deep in the caverns, only to have it snap shut on your character and deal half your health bar in damage. If you’ve had that happen once, you already know mimics are equal parts annoying ambush enemies and some of the best sources of early hardmode loot in the game. If you’re here to learn how to find mimics in Terraria intentionally instead of stumbling into them by accident, you’re in the right place. Their drops, from the Dual Hook to the Star Cloak and Magic Dagger, can carry you through the first half of hardmode without grinding for hours for other gear.
How to Find Mimics in Terraria Naturally Without Spawning Them
Most players first encounter mimics as random spawns while exploring, and there are a few simple rules to follow if you want to hunt for them naturally. First, regular mimics only spawn in the cavern layer below 0 feet depth once you’ve activated hardmode by killing the Wall of Flesh. Pre-hardmode mimics exist, but they have an extremely low 1/1000 spawn chance for any naturally generated chest, so you’re unlikely to run into one unless you’re extremely unlucky (or lucky, depending on what you want).
You can increase your odds of finding natural mimics by using a Battle Potion and Water Candle to boost overall enemy spawn rates while you explore deep underground. Regular naturally generated chests never spawn with 2 or more blocks of empty space directly above them, so if you spot a chest sitting out in the open with nothing on top of it, it’s almost guaranteed to be a mimic. Chest detection potions will also highlight mimics as standard chests, so if you’re using one to hunt for loot, you can follow the markers and check each chest to see if it’s real or a fake.
One quick test you can use from a distance is to shoot the chest with a weak arrow or spell. Real chests won’t take damage, but a mimic will flinch and start moving toward you as soon as it’s hit. This saves you from getting too close and taking unnecessary damage if you’re playing on hardcore mode or running low on healing items.
How to Spawn Mimics Manually for Consistent Farming
If you don’t want to wander the caverns for hours waiting for a mimic to spawn, you can spawn them manually to farm their drops on command. There are two main ways to do this, but it’s important to note that mimics spawned from chest statues do not drop rare loot, so you’ll only want to use that method if you’re farming for coins or banner drops. For actual mimic exclusive gear, you’ll need to use one of the two valid spawn methods.
The first method for regular mimics is to build a small farm platform in the cavern layer, place background walls to block other enemy spawns, and use a Battle Potion and Water Candle to force spawns. Since you’ve eliminated all other possible spawns, every enemy that shows up will either be a mimic or a rare cavern enemy, so you’ll get far more mimics per hour than you would wandering randomly. You can also place empty chests around your farm to increase spawn odds even more, as the game will prioritize spawning mimics near existing chests.
For biome-specific mimics (Hallowed, Corruption, and Crimson variants) that drop even more powerful gear, you can use a key to turn a regular chest into a mimic instantly. All you need is the following:
- 1 empty standard chest (wooden, iron, or golden all work, but locked biome chests from the dungeon will not)
- 1 Key of Light (for Hallowed Mimics, crafted from 15 Souls of Light dropped by enemies in the Hallowed cavern layer)
- 1 Key of Night (for Corruption or Crimson Mimics, crafted from 15 Souls of Night dropped by enemies in Corruption/Crimson cavern areas)
- A flat, open arena to fight the mimic so you don’t get cornered by other enemies mid-battle
All you have to do is place the empty chest in any biome, put the key inside, close the chest, and it will immediately turn into the corresponding biome mimic. This is the fastest way to farm for high tier mimic drops like the Flying Knife, Putrid Scent, or Crystal Serpent, and you can do it as many times as you have materials for keys.
How to Tell Real Chests and Mimics Apart Before You Get Attacked
Even if you’re not actively farming mimics, it’s useful to be able to spot them before you get too close and trigger an attack. There are a few dead giveaways that work no matter what platform you’re playing on, and you won’t need any special items to use most of them. The first and easiest trick is to use a Dangersense Potion, which will make mimics glow bright red just like traps and explosive blocks. If you’re already carrying these for dungeon exploration, you’ll never be surprised by a mimic again.
On PC, you can also hover your cursor over the chest from a distance. Real chests will show an “Open” tooltip when you hover over them, but mimics won’t show any tooltip at all. This doesn’t work on console or mobile, but you can use the pressure plate trick instead: place a wood pressure plate directly under the chest. Real chests are static objects and will trigger the pressure plate, but mimics are enemies and won’t activate it at all.
If you don’t have any potions or pressure plates on hand, you can always use the old reliable hit test. Stand 4-5 blocks away, far enough that the mimic can’t jump at you, and hit it with a weak projectile like a wooden arrow or a low level spell. If it takes damage or starts moving, it’s a mimic, and you can either fight it or run away depending on your gear. Just don’t try to hit it with a melee weapon from up close, or you’ll take a nasty bite before you can react.
Pro Tips for Farming Mimics Without Wasting Resources
Farming mimics is pretty straightforward once you know the basics, but there are a few little tricks that will make the process way faster and less frustrating. First, don’t waste your Souls of Light or Night on crafting keys before you kill the Wall of Flesh. Biome mimics only exist in hardmode, so your keys won’t do anything if you try to use them in pre-hardmode, and you’re better off saving those souls for other gear like the Phaseblade or healing potions.
If you’re building a regular mimic farm, make sure you light the area completely and place background walls across every block of the farm. This stops all other cavern enemies from spawning, so you don’t have to waste time fighting slimes and bats between mimic spawns. You can also wire a timer to a few heart statues in the farm to keep your health topped up automatically, which is a huge help if you’re farming for hours at a time.
Mimics deal high contact damage and can jump surprisingly far, so bring a weapon with piercing damage like the Minishark or a bow with Jester’s Arrows to take them down fast before they can get close to you. They’re also vulnerable to frost damage, so using a Frostbrand or Ice Bow will slow them down significantly, making it almost impossible for them to land a hit on you if you stay mobile.
Never open a chest you didn’t place yourself if you’re sitting at low health, even if it looks like a regular harmless chest. This is the number one way new players lose hardcore characters, and it’s completely avoidable if you take 2 seconds to test the chest first. If you do trigger a mimic by accident and you’re not prepared to fight it, you can always lead it into a pool of lava or a trap you’ve set up nearby. It will still drop all its loot when it dies, so you don’t have to risk taking damage if you don’t want to.
Now that you know how to find mimics in Terraria, you can stop seeing them as annoying ambush enemies and start seeing them as the valuable loot source they are. Taking 30 minutes to farm a few regular and biome mimics right after you activate hardmode will give you gear strong enough to take on the Destroyer and Twins without grinding for hours for better weapons or armor. I still remember the first mimic I farmed for a Dual Hook, and that single item made exploring the hardmode jungle and dungeon so much easier I never start a new playthrough without farming at least 3 or 4 mimics first. You don’t need fancy gear to farm them, just a little patience and the tricks you learned here, and you’ll have all the mimic drops you want in no time.