Stun

Stun is a Crowd Control effect that causes an opponent to stop both movement and attack. Stun functions much like Knock Down but the opponent stays on their feet and is not thrown to the ground. Stun effects generally generate crowd control resistance.

The following abilities have a chance to stun an opponent, and are being tested/confirmed as to if they generate crowd control resistance. Please edit this page if you can confirm or deny resistance.

Ability	School	CC Resistance
Crushing Blow	Bludgeon school	Yes
Knockback	Bludgeon school	Yes for Stun / Yes for Knock Back (Will apply two stacks of Crowd Control Resistance if both are applied.)
Body Slam	Heavy Armor school	Yes
Lightning	Air Magic	Yes
Discharge	Air Magic	Yes
Chain Lightning	Air Magic	Yes
Charge	Shield school	Yes for the Knock Down / Yes for the Stun (Will apply double Crowd Control Resistance if both apply.)
Shield Bash	Shield school	Yes for Stun / Yes for Knock Back (Will apply two stacks of Crowd Control Resistance if both are applied.)
Gust	Air Magic	No for Knock Back / Yes for Stun
Sap	Subterfuge Skills	Unknown/Untested
Chaos Bolt	Chaos Magic	Unknown/Untested
Flaming Bash	Shield school + Fire Magic	Unknown/Untested
Shield Smash	Shield school + Earth Magic	Unknown/Untested
Shock Arrow	Ranged school + Air Magic	Unknown/Untested
Titan Smash	Bludgeon school + Heavy Armor school	No for Knock Back / Yes for Stun

Pending Questions

Is there any mechanical difference between Stun and Knock Down other then the animation of being thrown to the ground?

Shield Bash lists effects as both stun and mesmerize. Is there any mechanical difference between stun and mesmerize?

Shield Smash is listed as having both knock back and stun effects, please confirm. If one is not true, remove from correct crowd control sub page.

Sap is listed as both a stun and a mesmerize. If there is a difference between them remove from one page or the other.