let difficulty = ""
if (this.effect.name.includes("Moderate"))
  difficulty = "easy"
else if (this.effect.name.includes("Severe"))
  difficulty = "average"
else
  difficulty = "veasy"

let test = await this.actor.setupSkill(game.i18n.localize("NAME.Endurance"), { context: { failure: this.actor.name + " meurt du Fléau" }, fields: { difficulty }, appendTitle: " - Blight" })
await test.roll();
if (test.failed) {
  this.actor.addCondition("dead");
}