Sierra's damaging abilities slow the target(s) movement speed(s) by 3% / 5% / 7% / 9% / 11% per second over 4 seconds. This value increases at level 6, 11, and 16. Multiple applications of this debuff only refresh the duration (the maximum slow will never increase).
COST: 70 / 80 / 90 / 100 / 110 mana
COOLDOWN: 12 / 11 / 10 / 9 / 8
Active: Sierra conjures a gust of dry wind which originates from behind her current position and projects in a target direction, dealing magic damage to all enemies in its path.
Active: Sierra conjures a ring of sand to whirl violently around herself, dealing magic damage to all surrounding enemies.
Sand Halo only damages enemies that are hit by edge of the ring itself. Enemies standing inside the ring will not be damaged.
Active: Sierra hardens an enemy into stone, slowing their movement speed and attack speed over 2 seconds and dealing magic damage at the end of the slow.
If the enemy is afflicted with Quicksand, the movement speed and attack speed decay will occur twice as fast, and the target will be stunned for 1 second at the end of the slow instead. At the end of the stun, the target takes the same amount of magic damage.
Movement Speed and Attack Speed Slow Per Half Second: 8% / 10% / 12% / 14% / 16%
Sierra channels for 2 seconds, after which she unleashes a raging sandstorm that deals magic damage per second for 5 seconds to all enemy champions on the map.
The duration of Descent of the Sand Lord is extended by 2 seconds every time Sierra gains a kill or an assist.