How to Summon and Defeat the Twins in Terraria (2024)

One set off in a place with bosses—a gallop at you, one after another, testing fighting skills and preparation. A pair of monstrous, glaring eyes are The Twins, standing at the entrance of Hardmode. And the Twins live deadly together as a duo, easily to overwhelm the unprepared player. But fear not, Terrarians! This guide will equip you with the knowledge to summon and conquer The Twins.

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Summoning The Twins

There are two ways to summon The Twins:

  • The eyes have it. This item is crafted at a Demon Altar using 6 Lens (droppable from Demon Eyes), 3 Iron/Lead Bars, and 1 Shadow Scale (drop from Demons in the Corruption biome). Simply use the Mechanical Eye at night anywhere in your world, and The Twins will be summoned.
  • Natural Spawn—10% chance of naturally spawning The Twins during the onset of Dusk, after breaking a Demon Altar or Crimson Altar (located in the Crimson biome). It is a random event that should not be counted upon if the player wants to ensure they get to fight it.

How to Summon and Defeat the Twins in Terraria (1)

Preparing for The Twins

Before summoning The Twins, ensure you've met the following criteria:

  • Hardmode: The Twins are a Hardmode boss, so you will have to defeat the Wall of Flesh first. This is also a type of boss fight that highly amplifies the difficulty of enemies and is going to expose you to some new biomes and items.
  • Gear Up: Emphasize the armour that has high defence. Good choices to consider would be the molten armour (from crafting demonize or brimstone bars; found in the Underworld), or meteor armour (from crafting meteorites dropped by the falling star event). Better upgrade your weapons! To use weapons with high DPS (like a Night's Edge, crafted from a true Night's Edge dropped by Skeletons in Hardmode, who are only present after the Eye of Cthulu has been defeated) or a bow with meteor arrows.
  • Accessories: Please fill in the best accessories that can help in boosting your combat effectively. Focus on those that help boost health, defence, and even attack power. Horseshoe Balloon, and Rocket Boots (found in Sky Chests), will fulfill the mobility aspect.
  • The Arena: An advised one for building an arena. Build a long platform stretching through the whole sky biome. It offers quite a lot of space to dodge attacks from The Twins. Make sure that you use biometrically far from one another as you put platforms to allow easy movement of this mode. Consider putting Campfires and Honey on a platform so they provide extra healing and reduce fall damage. Place some Heart Lanterns around in a few strategic locations to further increase health regen.
  • Potions: health potions will be needed in abundance (Healing Potions or one of its modifications), Ironskin Potions (increase in defence), Regen Potions (health points recovery), and Swiftness Potions (speed of movement).

How to Summon and Defeat the Twins in Terraria (2)

Strategies for The Twins

The Twins, Retinaszer (the red eye) and Spazmatism (the green eye), have distinct attack patterns:

  • Retinaszer: Shoots a continuous laser beam and charges directly at the player.
  • Spazmatism: Fires cursed flames and erratically teleports around the map.

Here are some combat strategies to employ:

  • Use the Arena. The platform helps you avoid the attacks by both bosses effectively. Run back and forth once and avoid the laser and charging attacks. Be careful not to outrun Spazmatism so it despawns when being left too far behind.
  • Prioritize Targets: Focus on defeating one eye at a time. Most players will be prepared to kill Spazmatism first, as his movement is relatively erratic and hence provides a harder target.
  • Vertical Movement: Make good use of the platforms. Jump to avoid the attacks of Spazmatism and get breathing room from the laser of Retinaszer.
  • Stay Mobile: Don't stand still! Constant movement makes you a harder target for both bosses.
  • Summon Help: Terraria allows multiplayer. Enlist a friend (or two!) to help you take down The Twins.

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How to Summon and Defeat the Twins in Terraria (3)

Can I cheese The Twins by building a box around myself?

Not that kind of anymore! That would have worked in previous versions of Terraria, but the Twins can teleport through blocks—a moot point, my friend.

What if I accidentally despawn Spazmatism while running from Retinaszer?

This won't reset the fight, but this time, you will not have to focus your attacks on Retinazer. Spazmatism will not respawn throughout the fight.

What if I die during the fight? Do I have to resummon The Twins?

No. The Twins remain active even after you die. Simply return to the arena and continue the fight.

Conclusion

Defeating The Twins is one of the great leaps in Hardmode progression for Terraria. If defeated, it leads to more crafting resources and essential loot drops that the player will need in Hardmode. But remember, Terrarians, it's all in the preparation! Follow this guide with a few tweaks of your own, and you should have no problem putting down this fearsome duo.

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How to Summon and Defeat the Twins in Terraria (2024)

FAQs

What is the easiest way to beat The Twins in Terraria? ›

It is very easy to defeat The Twins with The Black Spot. The only thing you need to defeat them is high, consistent damage until dawn. Keep in mind that circling around in the skies may summon a Wyvern, so it's nice to have a weapon against segmented enemies (such as the Medusa Head).

How to summon The Twins in Terraria? ›

The Twins can be summoned manually using a Mechanical Eye at night (7:30 PM to 4:30 AM). They also have a 1/10 (10%) chance to spawn naturally at dusk once a Demon or Crimson Altar has been destroyed, as long as they have not yet been defeated at least once in the current world.

What is the best weapon to use against The Twins? ›

The Daedalus Stormbow with Cinder Arrows is extremely effective against this boss.

What is the best armor to fight The Twins? ›

Titanium/Adamantite armor is recommended, it has a great set bonus and multiple buffs. If Titanium/Adamantite armor is not available, Mithril or Orichalcum armor will also do.

What is the best bullet for The Twins in Terraria? ›

If you can craft a lot of them (at least two full stacks, or 1998 bullets total) and have access to the Megashark, Crystal Bullets are generally a quick way to beat The Twins and Skeletron Prime.

How much HP do The Twins have? ›

The Twins, as the name suggests, are two separate monsters, both of which must be defeated. They have a combined health of 43,000 / 64,500 , shared between them. Retinazer is distinguished by its red iris and that it fires lasers. Spazmatism is distinguished by its green iris and that it fires cursed flames.

Which twin is first Terraria? ›

Spazmatism may be a better choice for defeating first, since its Cursed Flames are difficult to avoid without proper mobility equipment and buffs in its second phase.

How many hallowed bars do The Twins drop? ›

Hallowed Bar
EntityQty.Rate
Skeletron Prime Skeletron Prime15–30100%
The Destroyer The Destroyer15–35100%
The Twins The Twins The Twins15–30100%
Treasure Bag (Mechdusa) Treasure Bag (Skeletron Prime)15–30100%
5 more rows

What is the hardest boss in Terraria? ›

The Moon Lord is the toughest boss in Terraria, and facing him is no walk in the park. Gamers need all the skills and tactics learned from battling other bosses to even stand a chance against him. He only shows up after gamers complete celestial events and take down all the pillars.

Is light disc good against The Twins? ›

The Light Discs are quite effective against the Twins since they usually mirror the player's movement or chase them directly, setting up for easy hits.

How rare is the breaker blade? ›

Breaker Blade
TypeWeapon
TooltipDeals more damage to unhurt enemies
Rarity04*
Sell3
Research1 required
4 more rows

Should I give D Twinned Armor? ›

If you choose to hand over the Twinned armor set, D's brother will kill Fia. This doesn't happen until much later, so it doesn't appear to affect whether you get Fia's ending to the main story. You'll get the armor back eventually, too, as well as a new Elden Ring weapon.

Who drops Twinned Armor? ›

The Twinned Set is a complete set of Attire that's obtained from D, Hunter Of The Dead (If killed in Limgrave, or at the end of his quest in Roundtable Hold).

How do you outrun twins? ›

With Lightning Boots (or better) and a ranged or magic weapon, the player can continually outrun The Twins' attacks while firing back at them. In its second phase, Retinazer can only attack the player if it has an unobstructed line of sight.

Is the Megashark good against The Twins? ›

This weapon is incredibly useful when fighting hardmode bosses like the Twins and Skeletron Prime due to the high damage and high rate of fire. Using with Crystal Bullets will maximize the damage output as the bullets break in a spray of damaging shards.

Are The Twins easier than The Destroyer? ›

Once you've defeated The Twins, it's time to move on to the other two Mechanical Bosses: The Destroyer and Skeletron Prime. Out of the three, The Twins are the easiest thanks to the simple boss arena and the ability to take it down with basic Hardmode weapons, or even weapons you have leftover from pre-Hardmode.

What is the hardest mechanical boss? ›

Post your rankings of the 3 mechanical bosses difficulties ranking the easiest first, and the hardest last. In my experience, the Destroyer is the easiest (I did have an arena, though), Skeletron Prime a bit more difficult and the Twins are the most difficult by far.

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