isleward/src/server/config/effects/effectReflectDamage.js

module.exports = {
	type: 'reflectDamage',

	events: {
		beforeTakeDamage: function ({ damage, source }) {
			damage.amount *= 0.5;

			source.stats.takeDamage({
				damage,
				threatMult: 1,
				source: this.obj,
				target: source,
				effectName: 'reflectDamage'
			});

			damage.failed = true;

			this.obj.instance.syncer.queue('onGetDamage', {
				id: this.obj.id,
				event: true,
				text: 'reflect'
			}, -1);
		}
	}
};