Absolution's preview period is now over. If you wish to continue using the spell, you will need to learn the spell.

As noted in the spell description, the Khalo do not approve of the spell and will not teach it to Empaths. Instead, Empaths who wish to bring war to the undead are encouraged to investigate the city of Shard.

-Armifer
"In our days truth is taken to result from the effacing of the living man behind the mathematical structures that think themselves out in him, rather than he be thinking them." - Emmanuel Levinas