Stage 1: Rotten Rock Demon

Tips
- Kill mobs then mini boss will appear.
- Lure the Mini boss away from middle statue.
- The middle statue heals surrounding mobs.
- Time stop works on mini boss but not freeze.
- Frozen still stacks for damage multiplier.

Stage 2: Minotaurs
Tips
- Try to kill as fast as possible. Minotaur Knight has buffs which can increase their damage resistance.
- Try to keep each Minotaur in their own section in case your damage isn’t enough, you don’t want them buffing each other.
- Merc can remove their buffs.
- Frozen status doesn’t work on the Minotaur Knight.
- Time stop works.

Stage 3: Medusa
Tips
- There are crystals in the middle of the stage.
- The ground shifts when you see Medusa raising her weapons, also there is a notification count down.
- Immediately go to the crystal that is elevated, the area next to that crystal will recover your hp, much more than what Medusa can dish out.
- Tanks should maintain agro while dps take them out from range.
- Time stop works on Medusa.

Stage 4: Rock Golem
Tips
- Break those Dark Crystal statues.
- Pewpew mobs and then the boss.
- If you don't kill boss fast enough, more mobs spawn.
- Those mobs drop recovery items.

Fianl stage: Manticore
Tips
- Does various attacks during certain life bar, all of which are pretty much straight forward to avoid.
- Manticore boss has a diving attack while its flying which is a two stage attack, it send a shock wave to the entire area and then produces spikes around it. Best way to avoid is to jump[ and then Evade (sidestep, blink, tumble etc)
-While flying the boss can Cast Gravity Balls and Hurricane

Gravity Field
-Certain safe areas around the boss. Mainly on its side
-Can K.O if HP pool is low

Gravity Balls
-Easy to avoid

Pounce
-Easy to avoid
-Tanks should grab agro after boss does this skill

Claw Swipe
-Easy to avoid
-Similar to Cerverus’ but not as frequent
-Uaually does it mainly on 5 hp bars

Fly then Aerial Stomp
-Run around incase it drops gravity balls

Tail Swipe
-Straight forward attack
-Easy to evade

Power Stomp
-Two stage attack, avoid by jumping and then evading

Black Hole
-Damage is low but does multi hits.
-Damage is only in the center
-You can run out of it to avoid

Credits:
http://forum.mmosite.com/thread/2/49/20111206/Dragon_Nest_leveling_guide_3240_mainly_for_SEA_players-4ededfbb4300bee13-1.html