Talk:Crowns/@comment-201.75.181.5-20150629192052/@comment-67.167.38.169-20150816191434

It says so in the description.
 * The Scarier Face mutation will reduce enemy health by 20% after the Crown of Luck effect. For example, if an enemy's health was increased from 100HP to 120HP by Crown of Luck, it will have 96HP with Scarier Face which is 80% of 120HP.