MapleStory/Kenta in Danger

-Accessible via the Dimensional Mirror NPC Dolphin knew that Kenta was researching sea creatures. After he entered the dangerous sea region, the dolphin has yet to see Kenta since ever. Find him in the dangerous sea!
 * Requirements
 * Level 140+ (Recommended level: 140-200)
 * 2~6 members

Stage 1
Kill all the Squids and Risell Squids. Note that they can fly.

Stage 2
Kill Sharks and obtain 20 Air Bubbles from them.

Stage 3
Protect Kenta from sea monsters for EXACTLY 180 seconds. (3 minutes) He will inform you how much time it is left at 2min/1min/30sec/10sec mark.

Stage 4
2 Pianus appear in this stage, one on each side. Each one can cast the same skills as the real Pianus, including 1/1, Dispel, Seal, Weapon Cancel, and Magic Cancel. The right side can also summon Bloody Booms. Each Pianus drops 1 Pianus Scale. You can trade in 10 scales for a random pet scroll, or 100 for Kenta's Goggles

EXP reward
If you are level 140, you get 1,438,378 EXP. This amount increases by 2.5% per level. Round off each time it is formulated. At level 200, you will receive 6,328,559 EXP.