Eudemons
In Eudemons Online, you can raise loyal eudemons to protect you and beat your enemies. Eudemon system provides more than 40 kinds of eudemons and mounts for players. These eudemons have unique appearances and skills.

Gems
In Eudemons Online, the player can collect 3 types about 50 kinds of gems. The gems have various magic effects. They can increase your weapon attack as well as strengthen your armor's defense, and even award you level up Exp. after you reach certain levels.

Potency
You can judge your enemies strength quickly by checking their potency. Potency is calculated on the basis of your character attributes, equipment, eudemons and legion/family power. It reflects your true strength. If your potency is much higher than your enemy, you are likely to kill him in one second.

Mentor System:
EO ensures a new player becomes familiar with the game easily with the help of a mentor. Both mentors and apprentices can benefit greatly from the mentor system. The apprentices may level up quickly and his/her mentor will gain more Exp during guiding the apprentices. A mentor will also gain mentor level after he/she gains enough mentor Exp.

XP Skill
The exciting experience of combat is everyone's pursuit! The XP bar will be increased with time, you can activate it when the XP bar is full. XP skill is different from other skills, you can even kill boss monsters with ease in XP time.