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Expert Mode-Only Content: This information applies only to Expert Mode and Expert Mode worlds.
  • Arkhalis item sprite
Stack digit 1.png
Damage25 (Melee)
Knockback4 (Weak)
Critical chance4%
Use time25 (Fast)
Tooltip'I didn't get this off of a Schmoo'
RarityRarity level: 9
Sell5 GC
Research1 required
Projectile created
  • Arkhalis
For the former Re-Logic employee after which this weapon was named, see Re-Logic § Arkhayla.
The Arkhalis in use.

The Arkhalis is a Hardmode melee weapon that is part of Arkhalis' set and is only obtainable through Hardmode Treasure Bags in Expert Mode (except Queen Slime's). It appears to be a sword, but does not present an actual blade when used. Instead of an overhead broadsword swing or a shortsword stab, the Arkhalis autoswings and appears as a series of blurred slashes aimed in the direction of the cursor. Anything within this area takes constant damage at a rate far exceeding the weapon's stated use time. This damaging area has a rather wide spread, even attacking behind the player for a very short distance. In addition, the Arkhalis has 20 armor penetration.

The Terragrim is the Arkhalis's weaker, pre-Hardmode variant that is obtainable from Enchanted Sword Shrines.

Its best modifier is Godly or Demonic. Both modifiers increase the average damage output by the same amount. The Arkhalis's unique means of attack is unaffected by any size and speed modifiers.


  • The Arkhalis and Terragrim are the only swords unable to obtain the Legendary modifier.
  • The color of the Arkhalis changes to the color of the player's undershirt and the span is larger if the player is wearing Arkhalis' Bodice. This effect is purely visual and has no effect on the size of its hitbox.
  • Any Enchanted Sword Shrines in worlds that were created prior to the Terragrim's introduction in will not drop the Arkhalis.


  • The Arkhalis emits a large amount of white light-emitting particles for a short distance, making it useful for peeking through cave walls.
  • Though its base damage is low, its high attack speed and multiple attacks per hit make it effective well into Hardmode.
  • Because of its high attack speed and its ability to hit everything around the player, it can hit any projectile that can be destroyed before it reaches the player, making it fairly useful against the Goblin Sorcerer and Goblin Warlock's Chaos Balls and any other enemy with destructible projectiles.
  • Knockback should be balanced on this weapon, to keep enemies inside the damage zone. Consider using a Ruthless modifier for pre-Hardmode enemies, and Godly or Demonic for Hardmode enemies.
  • Utilizing the fast speed of the Arkhalis combined with its small knockback, it is easy to stun-lock enemies like the Unicorn.
  • As it has a wide angle, it can be useful against worm enemies.
  • Due to this weapon's short range and extremely rapid attack speed, it synergizes very well with Titanium armor, spawning many shards and dealing a large amount of extra damage. The shards can also provide an extra source of knockback.


  • The weapon is named for Arkhayla, a former Quality Director at Re-Logic. Its tooltip, 'I didn't get this off of a Schmoo', refers to the means of obtaining the sword Crissaegrim in the action role-playing game Castlevania: Symphony of the Night. Crissaegrim is Arkhayla's favorite sword, and her namesake weapon's appearance and function are modeled after it.[1]


  • Desktop 1.4.1:
    • Damage increased from 20 to 25.
    • Now has 20 armor penetration.
  • Desktop
    • Now obtained from Hardmode Treasure Bags in Expert Mode. No longer obtained from the background object in Enchanted Sword Shrines, which now drops the Terragrim instead.
    • Increased rarity from Rarity level: 2 to Rarity level: 9.


  1. Arkhayla on the Official Terraria Forums: "Yeah, it's a reference to how you obtain my favorite sword in the game Castlevania: Symphony of the Night" August 3, 2015