<!-- 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) / [Prism Classes](Prism%20Classes.md) / [Eldritch Trickster](Eldritch%20Trickster%20(Deception).md)** # Thoughtseize <small>(Level 4)</small> >[!infobox] >| <!-- --> | <!-- --> | >|-----------------|:-:| >|**Keywords**|*[Magic](Prism/Glossary/Keywords/Typing%20Effects/Magic.md), [Empower](Empower.md)*| Whenever the [Eldritch Trickster](Eldritch%20Trickster%20(Deception).md) would affect an enemy with a spell successfully, they may also force an opposed ability check. The Eldritch Trickster uses their [Cunning](Cunning.md), [Initiative](Initiative.md) or [Wit](Wit.md). The enemy may use their [Resilience](Resilience.md), [Tenacity](Tenacity.md) or [Willpower](Willpower.md). If the Eldritch Trickster wins, they can choose a spell that enemy can cast and seal that spell, preventing it from being used until this ability is used on another target or spell.