Devil Square
Enter as one of 15 warriors to engage the forces of Kundun as they spawn in front of you in an endless barrage of attacks. Either alone or in a team only the strongest will survive Devil Square.
With the Devil Square Invitation, you are granted access into Devil Square, where your strength will be tested.
Devil Square contributes points toward the weekly rankings.
Entry Requirements
Required Item
- You must craft an Devil Square Invitation to enter Devil Square.
- Devil Square Invitation is crafted via Chaos Goblin Machine.
- The crafting ingredients (Devil's Key and Devil's Eye) can be obtained from monster drops.
- Additionally, you'll also need one Jewel of Chaos for the crafting.
| Devil's Key | Devil's Eye | Jewel of Chaos | Devil Square Invitation | |||
|---|---|---|---|---|---|---|
Devil Square Invitation Crafting
Required Level
| Devil Square Level | Character Level Req. |
|---|---|
| Devil Square 1 | 15 - 100 |
| Devil Square 2 | 101 - 150 |
| Devil Square 3 | 151 - 200 |
| Devil Square 4 | 201 - 250 |
| Devil Square 5 | 251 - 300 |
| Devil Square 6 | 301 - 350 |
Devil Square Rules
- A minimum of 1 player must enter, or it will not start.
- A maximum of 15 players can join in a single instance.
- Party is allowed and can be formed inside the Devil Square map.
- Any character with a PK Status cannot enter the Devil Square map.
- Combat adjustments:
- No penalty upon character death.
- PVP is not allowed.
Game-play
Preparation
Prior to the start of the Devil Square, the following messages start to appear in the Vanilla Mu Server: "Devil Square will close in 5 (4,3,2,1) minute (s) ". As soon as you see such a message, go with Devil Square Invitation to the Charon located in Noria.

Charon
Engaging with Charon, will open a window with a table in which you need to select the appropriate level of Devil Square for your character (you should have the same level of Devil Square Invitation in your inventory).
If you did everything correctly, then you will be taken to the Devil Square Event map.
Devil Square Quest
When the Devil Square starts, 200 monsters will instantly spawn throughout the arena. If a monster is killed, another will spawn to keep the monster count at 200.
As the time progresses, the monsters which spawn will change and their difficulty will slightly increase.
Monsters will continue to spawn for 20 minutes.
Event Completion
Depending on your score which is based on how many monsters you killed during the event, your character will gain a reward.
Reward
For a comprehensive breakdown of the reward of the Devil Square Winner, refer to the table below.
| Devil Square Level | Reward |
|---|---|
| Devil Square 1 | 3x Jewel of Soul |
| Devil Square 2 | 3x Jewel of Bless |
| Devil Square 3 | 3x Box of Kundun +1 |
| Devil Square 4 | 2x Box of Kundun +2 |
| Devil Square 5 | 2x Box of Kundun +3 |
| Devil Square 6 | 2x Box of Kundun +4 |
Furthermore, there is a Zen reward granted to the top 10 players in the current Devil Square rankings.
Devil Square can be held as part of a party, but the rewards are individual.