Tutorial to Hackel's Ally System Tutorial to Hackel's Ally System 1. IntroductionI always wanted to have an Ally System for XAS, but after look ing around and not finding one I decided to make o ne myself. Download it here! 2. How to make an Ally You create an ally in much the same way you create a monster (see: how to create a new enemy ) - the only difference being the minus sign in front of the Enemy ID.