UNDERTALE: How to Defeat or Spare Aaron
- Last updated on
This guide explains how to defeat Aaron in Undertale. We provide tips on how to spare Aaron and avoid his attacks, making this a useful Undertale reference.
© Toby Fox 2015-2018. All rights reserved.
Aaron's Basic Information
| Location | Waterfall |
| ATK | 24 |
| DEF | 12 |
| Route | All Routes |
Monsters in Waterfall
Aaron is a monster that appears in Waterfall. Regardless of the route, you will encounter him in battle. If you are aiming for the Pacifist Route, you need to spare him. If you are aiming for the Genocide Route, you must defeat him.
| Pacifist Route Waterfall Walkthrough |
| Genocide Route Waterfall Walkthrough |
Tips for Defeating Aaron
Get Hints from Check
When Check Aaron, you will be provided with hints about his attacks and stats. Follow the hints accordingly. Also, move left or right at the top of the screen to dodge Aaron's attacks.
How to Spare Aaron
Use Flex 3 times
To spare Aaron, select Flex three times. After selecting the third Flex, the battle with Aaron will end.
Aaron's Attack Patterns and How to Dodge Them
| Attack Pattern | How to Avoid | |
|---|---|---|
| ① |
|
Move left or right at the top of the screen |
| ② |
|
Move through the gaps |
