riot control prevent the debt to the deathless effect
{Riot Control}
{Debt to the Deathless}
No. Riot control prevents damage, but Debt doesn't deal damage. Debt causes loss of life, which cannot be prevented.
Remember:
Damage causes loss of life.
Loss of life does not cause damage.
Yeap...a dog has four legs, but not all animals that has four legs are dogs :P