- Enemies who dash or blink near Vex are marked with Gloom, causing Vex's next auto or basic ability to consume the mark to deal bonus damage and refund 25% ofP's cooldown.
- TriggeringPknocks down the affected enemy.
- Eincreases in size the farther it travels.
- IfR's target dies within 6 seconds of being marked by it, Vex can castRagain for free for the next 12 seconds.
- Rgrants vision of where it travels and grants true sight of its target.
- Has strong poking potential and can protect herself when enemies reach her withP/W.
- Can constantly lowerP's cooldown by consuming marks on dashing and blinking enemies as well as landingE.
- Excels at bursting enemies, interrupting engages, and has the potential to "pop off" in teamfights withR's reset mechanic.
- Excels with items that enhance her ability power, burst damage, and magic penetration.
- All of Vex's skillshots are slow and telegraphed.
- Is naturally weaker whenPis on cooldown.
- Once she enters a fight by recastingR, there's no way out.