Milan Rosenbach

• This is a boss in the advance dungeon "The Final Trial" in level 115 cap. 
• When you see a blue circular area, stay on it will increase the Holy Flame gauge. However, it will decrease your HP by 10%.

• You also see blue area underneath you. If you're inside this blue area with the boss, your HP get healed and boss get 10% HP reduction for 10 second.

• If you see blue connection line, headbutt to the boss and dodge his attack. Then stay in the blue zone for safe area.

• When he creates large damage area. Eat the gold orbs to decrease damage area. If you eat enough orbs, he will groggy.

References

Namu.wiki

YouTube - 히카리타마