Avada Kadavra

The caster must make a Wisdom throw above 10 or it won’t work. If they succeed the target must make a Constitution saving throw of 15 for it to work. On a successful cast the target is instantly killed. The casters alignment then goes down by one (LG-NG NG-CG CG-LN LN-N N-CN CN-LE LE-NE NE-CE)