Whisper event

Whisper event is a mechanic found in Shin Megami Tensei IV.

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Once a demon has learned all its skill a Whisper event will take place, where they can pass off any of their skills to Flynn save for Auto Skills. If he already knows the skill they pass on then it will be strengthened, decreasing the MP cost and increasing the attack damage to a degree. The number of times a skill can stack this way depends on the type of skill. Elemental skills stack to 8 while stat buffing/decreasing skills stack to 3.