monster script setup

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Any suggestion to what I should do?

The code you provided implies that you have a line that adds the MyFunc function as a collision callback for another entity. You, therefore, have to collide with that entity (area) in order to add a collision callback to the "Scare_1" area. However, the collision callback set for "Scare_1" is a function called "Collide_Scare_1", which i do not see anywhere in the code you provided.