Crystal Temple is A sacred and hidden temple, in a cave setting. Water appears here, and this serves as the 'hard' water level.
Act 1 has a high water level and many underwater areas on this level, it making the level is difficult. But near the underwater areas, there are a hidden way rounds, what allows to bypass the difficult underwater areas.
Act 2 has a three parts for each game character. Neon cleared level and go to boss area.
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The boss is a powerful underwater octopus. Neon fights this boss.