<!-- Google tag (gtag.js) --> <script async src="https://www.googletagmanager.com/gtag/js?id=G-G26W6267FY"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-G26W6267FY'); </script> **[Home Page](Home%20Page.md) / [Prism](Prism.md) / [Armory](Prism/Armory/Armory.md) / [Weapons](Weapons.md) / [Martial Disciplines](Martial%20Disciplines.md) / [Skullshatter](Skullshatter%20Discipline.md)** # Jaw Cracker >[!infobox] >|<!-- -->|<!-- -->| >|---|:---:| >|***Required Keywords***|*Impact*| >|***Discipline***|[Skullshatter](Skullshatter%20Discipline.md)| >|***Stance***|[Impact](Impact%20Discipline.md)| >|***Requirements***|2 Other Impact Stances, A Single Weapon, An Empty Off-Hand| >|***Action Type***|Attack Replacer| Whenever the wielder would deal damage with a qualifying weapon, the wielder may make an additional free attack with an [Interchangeable](Prism/Glossary/Keywords/Weapon%20Properties/Properties/Interchangeable.md), [Unarmed Strike](Unarmed%20Strikes.md) or [Versatile](Prism/Glossary/Keywords/Weapon%20Properties/Properties/Versatile.md) weapon. Only one such attack per enemy can be attempted per round. This attack, if it deals damage, afflicts the target with Tier VI [Mute](Mute.md). This Mute loses [Fading](Fading.md), and instead lasts until the end of the round.