"Love Virus or Lust Virus"
As long as the person had a little lust in their heart and the degree of lust had touched the edge of sin, such as lusting over people, they shouldn't be lusting over...
The Lust Virus would spread, and these people would unknowingly worship Asmodeus, and their every behavior would be affected by this virus, making them more lustful than before.
The cycle would definitely help Asmodeus to increase his strength which was why, although his power was strange, in terms of the indirect worshiper and the number of sinners related to his sin...
Asmodeus was in the top 3 among the other seven demon lords.
Ainsley made sure that her love virus had entered the two holy spirits' bodies, and the baby let the virus stay around the holy spirits' source of power.
If this virus infected people with solid bodies, then, the virus would preside over the energy core or whatever thing that stored the target's energy.