| Base stats | Calculated stats (Level 1) | | Str: | 16 | +1.70 | | Agil: | 16 | +1.60 | | Intel: | 21 | +2.90 | | | | Range: | 600 | | MSpd: | 280 | | | | ArmorB: | -1 | | ACoolB: | 1.43 [S] | | Dmg: | 17 - 23 | | | HP: | 454 | | HPReg: | 0.73 [HP/S] | | | | Mana: | 273 | | MReg: | 0.85 [M/S] | | | | | | Armor: | 1.24 | | AttSpd: | 0.81 [At/S] | | Dmg: | 38 - 44 | | | | | | | | | | | | | | | | | DRed: | 6.92 % | | DPS: | 33.3 [Dmg/S] | |
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 | Frost Nova
Blasts enemy units around a target enemy unit with a wave of damaging frost that slows movement and attack rates for 4 seconds. | | Level 1 |  | 100 - | 50 target damage and 75 nova damage.
| | Level 2 | | 130 - | 100 target damage and 100 nova damage.
| | Level 3 | | 155 - | 125 target damage and 125 nova damage.
| | Level 4 | | 185 - | 175 target damage and 125 nova damage.
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 | Frostbite
Freezes the target in a case of ice, prohibiting movement and attacking. Deals 80 damage per second. | | Level 1 | | 115 - | Lasts 1.5 seconds.
| | Level 2 | | 125 - | Lasts 2 seconds.
| | Level 3 | | 140 - | Lasts 2.5 seconds.
| | Level 4 | | 150 - | Lasts 3 seconds.
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 | Brilliance Aura
Gives additional mana regeneration to nearby friendly units. | | Level 1 |
| - | Adds 33% mana regeneration.
| | Level 2 |
| - | Adds 67% mana regeneration.
| | Level 3 |
| - | Adds 100% mana regeneration.
| | Level 4 |
| - | Adds 133% mana regeneration.
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 | Freezing Field
Causes many random icy explosions in an area surrounding Rylai. Lasts 3 seconds. | | Level 1 | | 300 - | Each explosion deals 105 damage.
| | Level 2 | | 400 - | Each explosion deals 170 damage.
| | Level 3 | | 600 - | Each explosion deals 250 damage. |
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Rylai trained in Winterspring for years under Raishali, the ancient troll frost mage. Wielding an impressive display of inhibiting magics and a powerful area of effect ultimate spell, Rylai is one of the most powerful casters enlisted by the Sentinel.
