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How to make a chasing monster (Like Ao Oni)

BMM_Archive · July 15, 2026

BMM_Archive
Preserved forum archive. This topic stores the original first post and locally mirrored RPG Maker Web attachments when available. It is posted by the BMMPlay archive account, not by the original creator.

Original Source

  • Original title: How to make a chasing monster (Like Ao Oni)
  • Original author: DestrikGamer
  • Original date: September 9, 2014
  • Source thread: https://forums.rpgmakerweb.com/threads/how-to-make-a-chasing-monster-like-ao-oni.31877/
  • Source forum path: Game Development Engines > RPG Maker Tutorials > RMVXAce Tutorials

Summary

Hi there! I'm making a horror game and I noticed alot of people wanted to know how to make a monster that chases you through different maps and I came up with a way that worked for me. I hope you can use my system! NOTE: If you want a video tutorial click here! Switches and Variables

Archived First Post

Hi there!

I'm making a horror game and I noticed alot of people wanted to know how to make a monster that chases you through different maps and I came up with a way that worked for me. I hope you can use my system!

NOTE: If you want a video tutorial click here!

<span style="color: #696969">Switches and Variables

<span style="color: #000000">The first thing you need to do is make a few switches and variables.

Switches

  • Enemy Chase
  • Enemy Appear
Variables

  • Player X
  • Player Y
  • Enemy X
  • Enemy Y
  • Enemy Chase Length
  • Enemy Chase Counter
  • (Optional) Life
Note: Because my enemy is a robot all my switches are named a little bit differently

<span style="color: #696969">Setting up your enemy

So your enemy event will look something like this

1432uer.jpg


If you want the enemy to insta-kill just remove the last 2 lines and replace it with "Game Over"

My custom move route is:

"Move toward player"

"Move toward player"

"Move toward player"

"Move toward player"

"Move toward player"

"Move at random"

"Move toward player"

"Move toward player"

Of course settings such as speed move route and the event itself can be changed just make sure you have "Enemy Appear" as a switch.

Note: You must have the enemy pasted in EVERY MAP for this to work where doesn't matter

<span style="color: #696969">Setting up map transferring

For your enemy to transfer maps you must have an event that looks like this

9763ar.jpg


What the common event "Player X and Y" does is later in this post.

What "Wait [Number] Frame(s)" does is for example: When the player enters a new map after 2 seconds (120 frames) the enemy will appear.

Note: The set event location is "Set "Enemy" to Robot X, Robot Y"

Note: You must have this event pasted in EVERY MAP for this to work where doesn't matter

Common Events

You will need 2 common events:

  • Player X and Y
  • Enemy
First you will need to make the Player X and Y common event what looks like this

a9mhr8.jpg


Make sure the trigger is "None"!

Now you need to make the Enemy common event what looks like this

2rm5kc2.jpg


This common event is basically a timer. If the time is up the monster disappears.

Now let's move on to the last event!

Summoning Enemy

Of course you need to summon your enemy! This event is only an example.

wmb7g8.jpg


The "Enemy Chase Length" is how many seconds you want the enemy to chase you in this case 25.

The "Battle6" BGM is just an example for chase music that's why in the "Enemy Chase" common event there is "Fade out BGM"

Note: The "Enemy Chase Length" and "Enemy Chase = On" are required! The rest is optional!

Common Event - Enemy Time.png

Common Event - Player X and Y.png

Robot Chase.png

Robot Enemy.png

Summoning Example.png

Downloads / Referenced Files

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Referenced Images / Attachments

Common Event - Enemy Time.png
Common Event - Enemy Time.png
Common Event - Player X and Y.png
Common Event - Player X and Y.png
Robot Chase.png
Robot Chase.png
Robot Enemy.png
Robot Enemy.png
Summoning Example.png
Summoning Example.png
Creator Claims / Removal

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