GREAT DEVIL'S HORN
Summary:
This is one of the three main accessories that you SHOULD always have equipped. This is used whether it's for PVP or PVE, Defensive or Offensive, etc. Here is what it looks like and the stats it gives.
How to get the base version:
Mitera's Blurry Tears
The base version of the horn (Mitera's Blurry Tears) can be bought from NPC Tes in Ardeca. It is worth 20 Fortress Vouchers. These vouchers are very cheap and they drop at nearly all the open maps in the game.
NPC Tes Location in Ardeca
How to upgrade to the Great Devil's Horn:
All of the upgrading will be done via NPC Aria in Ardeca. The requirements for the upgrade are Mitera's Anger, Mitera's Ghost, and Mitera's Insanity.
Anger, Ghost and Insanity (left to right)
How to get the Materials:
I. Via AFK-ing in Mitera
The materials will drop as Fragments: Mitera's Ghost Fragments, Mitera's Anger Fragments, Mitera's Insanity Fragments from the map Mitera.
Anger Fragment, Ghost Fragment, and Insanity Fragment (left to right)
Before these can be used to upgrade the accessory, these fragments must be exchanged also via NPC Aria. Note that while the materials exchanged are binded, the fragments themselves can be traded from other palyers The rates are:
2x Mitera's Ghost Fragment -> 1 Mitera's Ghost
3x Mitera's Anger Fragment -> 1 Mitera's Anger
3x Mitera's Insanity Fragment -> 1 Mitera's Insanity
II. Via Farming in Forgotten Temple Dungeon
The dungeon's final boss has a chance to drop a Mitera box which has 150x Mitera's Ghost Fragments, 100x Mitera's Anger Fragments, and 30x Mitera's Insanity Fragments.
pic of box
dungeon link