Conditions

• Aegis
• Blind
• Crippled
• Dazed
• Deafened
• Doomed
• DoT
• Empowered
• Exposed
• Faded
• Fire
• Grappled
• Hazard
• Impaired
• Incapacitated
• Intangible
• Invisible
• Lethal
• Prone
• Regen
• Rupture
• Setback
• Stasis
• Stuck
• Sundered
• Warded
• Weakened

“More terms and conditions than your average EULA.”

As a rule of thumb, if a given condition can stack (carry multiple instances of that condition at once), it will be specified in the condition. Otherwise, it does not.