When you cast a spell from the Enchantment or Illusion school, you can expend the Charm (no action required) to give one target of the spell Disadvantage on its saving throw against the spell.
Manifest Charm of Thelanis, the Faerie Court
RewardEFAp. 502024
Raw data
{
"name": "Manifest Charm of Thelanis, the Faerie Court",
"page": 50,
"type": "Charm",
"__prop": "reward",
"source": "EFA",
"entries": [
"When you cast a spell from the Enchantment or Illusion school, you can expend the Charm (no action required) to give one target of the spell Disadvantage on its saving throw against the spell."
]
}