Fenrir
The Unbound
Class / Pantheon: Assassin / Norse
Gem Cost: 200
Difficulty: Average
Pros: High Single Target Damage, High Mobility
Favor Cost: 5500
Release: Jan. 5, 2013

Stats [Per Level]
Health: 455 + [78]
Mana: 230 + [35]
HP5: 8 + [0.73]
MP5: 4.20 + [0.26]
Physical Protection: 14 + [3.0]
Magical Protection: 30 + [0.9]
Auto Damage: 38 + [2.30]
Movement Speed: 370
Attack Speed: 1.00 + [1.70%]
"Unleash the power of your runes and drag back enemies in Ragnarok."
(Press the icons to get details of each ability!)
Passive: Unbound Runes
Fenrir gains efficiency as he attacks. Every hit from a Basic Attack activates 1 Rune, up to a max. of 5. Unchained, Brutalize, and Ragnarok gain additional benefits when used at maximum Runes and the Runes are consumed. Enemy gods that Fenrir kills will fully activate all of his Runes. Assisting with a kill will grant Fenrir 3 Runes.
Ability Type: Buff
Ability 1: Unchained
Fenrir leaps forward, dealing damage to all enemies when he lands. At full Runes, the leap Stuns the enemies hit. If the leap hits a god, the Cooldown is reduced by 30%.
Damage: 85/145/205/265/325 (+80% of your physical power)
Ability Type: Leap
Cooldown: 15 seconds
Stun: 1s
Cost: 60/65/70/75/80 mana
Ability 2: Seething Howl
Fenrir rears back and howls, inspiring himself with a Physical Power and Lifesteal Buff.
Physical Power: 20/35/50/65/80
Buff Duration: 6s
Cost: 60 mana
Physical Lifesteal: 35%
Ability Type: Buff
Cooldown: 13 seconds
Ability 3: Brutalize
Fenrir gains increased protections and pounces to his ground target location. If there was an enemy in the radius, he strikes them 4 times, dealing damage with each strike and hits enemies around the target for 50% of the damage. While casting this ability, Fenrir is immune to knockups. At full Runes, each strike gains 15% additional Physical Power scaling.
Damage: 45/75/105/135/165 (+50% of your physical power)
Ability Type: Leap
Cooldown: 12 seconds
Protections: 5 + 1 per level
Cost: 60/65/70/75/80 mana
ULTIMATE: Ragnarok
Upon Ragnarok, Fenrir grows massive in size, becoming immune to CC while moving faster. Fenrir bites enemy gods, dealing Physical damage and carrying them away. Biting a CC immune target deals the damage but ends his Ultimate. At full Runes, his Protections double.
Damage: 200/275/350/425/500 (+120% of your physical power)
Carry Duration: 2s
Cost: 100 mana
Movement Speed: 75%
Ability Type: Single Target
Cooldown: 90 seconds
Lore
Mortals must rely on the wisdom of the Gods, but never forget they are fallible. They can be petty, churlish, and worst of all, wrong. What are the consequences for their mistakes? They should have slain the wolf-beast Fenrir, but they chose instead to bind him. Despite the warnings and prophecies he would tear Odin apart at Ragnorok and devour the earth and sky, they did not end Loki's son. Now, terror roams free. It is unknown how, but Fenrir is Unbound.
Thrice they tried to bind him, each time convincing Fenrir that the chains were nothing more than a challenge for his strength, a test to see if he could shatter them. The first two God-forged fetters were easily broken beneath the beast's terrible power, but the third was a ribbon, dwarf made, and Fenrir grew suspicious of the God's intentions. As a show of faith, he demanded one of them place a hand in his mouth, and if the ribbon proved magical in nature, he would exact punishment. Brave, if foolish, Tyr put his fist in Fenrir's maw as the ribbon was secured to the wolf's leg. Fenrir strained and screamed, but could not break free, and in rage, he devoured Tyr's hand.
For a time, Fenrir was forgotten, the dire prophecy just a memory. But they were all warned and the Gods did nothing. Fenrir is hungry now, the first hunter, an alpha among sheep, but no flesh will satisfy his need. It is revenge he craves, and now he is Unbound.
Achievements

End of Days
As Fenrir have an ally kill an enemy God that you have grabbed using Ragnarok.

Unleash the Beast
As Fenrir stun or kill at least three enemies with a single use of Unchained.