Silence

You cannot Cast Spells or use Warcries.

Silence is a curse that makes affected targets unable to cast spells or use warcries for 3 seconds. Attack skills can still be used.

It is not available as a skill to players.

Sources

Enemies with the Hexfont nemesis modifier (or under the ids MonsterImplicitNemesisCurseDaemon or StrDexMasterCurseDaemon)
Module Error: No results found. Strongboxes
Seditionist tormented spirits (add Module Error: No results found. to other monster)
Sextant map mod Module Error: No results found.

Module Error: Item link: No results found for search parameter "Star of Wraeclast".
Jewels can have You cannot be Cursed with Silence corrupted implicit modifier (Module Error: No results found. or Module Error: No results found. or legacy mods Module Error: No results found., Module Error: No results found.).

Version	Changes
1.3.0	The duration of Silence has been reduced to three seconds.
1.0.0	Silence was introduced into the game in Nemesis League as part of the nemesis mod Hexfont