Hydro Cannon
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Stage 2 
Master Class Secret Manual (Stage 2) is needed to unlock this skill, available through the Master Skill Stage 2 Quest or Item Mall.
Master Class Secret Manual (Stage 2) is needed to unlock this skill, available through the Master Skill Stage 2 Quest or Item Mall.
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Stage 3 
Master Class Secret Manual (Stage 3) is needed to unlock this skill, available through the Master Skill Stage 3 Quest or Item Mall.
Master Class Secret Manual (Stage 3) is needed to unlock this skill, available through the Master Skill Stage 3 Quest or Item Mall.
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Stage 4 
Master Class Secret Manual (Stage 4) is needed to unlock this skill, available through the Master Skill Stage 4 Quest or Item Mall.
Master Class Secret Manual (Stage 4) is needed to unlock this skill, available through the Master Skill Stage 4 Quest or Item Mall.