In December, MU Online is happy about the arrival of Christmas, but the evil Cursed Santa with his Cursed Goblin does not want happiness on the continent, so he invades the maps of Lorencia, Devias, Noria to destroy Christmas. If you manage to kill the Cursed Goblin, you can win a ticket to Santa's city, and if you kill the Cursed Santa, you can win the Blessing of Christmas, which will increase your damage and defense for 60 minutes.
Time of invasion
- Santa Event invades 2 times a day server time.
| Schedule |
| 09:56 |
| 21:56 |
| Cursed Santa | Cursed Goblin |
 |  |
 | After killing the cursed goblin, you will receive an invitation to Santa's Village. To get to Santa's Town, you need to right-click on the Santa's Village invitation, which can be opened a maximum of 10 times. |
| Blessing of Christmas | Invitation to Santa Village |
| Increases attack power and defense capability |  |
Santa Claus City
| Santa Claus Town |
 |
- Once you enter Santa's Town, you can talk to the Snowman NPC if you want to return to Devias.
| NPC "Snowman" |
 |
- In Santa's Town there is a Santa Claus NPC who will give you special items for Christmas.
| NPC "Santa Claus" |
 |
Reward:
* 30,000 Zen, Jewel of Chaos, Snowman Transformation Ring, Imp, Guardian Angel, Pet Rudolph, Invisibility Cloak, Scroll of Blood, Devil's Invitation, Lost Map
NOTE:
- Event tickets are randomly given from 1 to 7
Item stats that NPC Santa Claus will give you.
| Snowman Transformation Ring | Description | Transformation |
 | The ring turns you into a Snowman. |  |
- Throughout December, whenever you kill a monster, you will receive the Santa Girl Transformation Ring, which turns you into Santa's Helper.
| Transfer Christmas Ring | Options | Transformation |
 | Increases Min/Max Wizard Dmg +20 Increases Min/Max Damage +20 |  |
- Pet
| Rudolph | Options |
 | Collect Zen automatically 255 HP Requires Level 28 to use |
- Fireworks
| Christmas Firecracker | Description |
 | When you launch it, fireworks appear in the game. |
NPC Little Santas
There are 8 little Santas in Santa's Town that will give you a special buff.
| NPC | Name NPC | Buff Icon | Description |
 | Dasher |  | Attack power +30 |
 | Kermit |  | Defensibility +100 |
 | Dancer |  | Life recovery 100% |
 | Cupid |  | Mana recovery 100% |
 | Prancer |  | Maximum Life increase +500 |
 | Donner |  | Maximum Mana increase +500 |
 | Vixen |  | Attack speed +15 |
 | Blitzen |  | AG recovery speed increase +10 |
NOTE:
- Buff lost when changing servers or dying.