Mother of all-Tiamat guide (S11)

Primordial Onslaught (Flying): Tiamat gathers power, allowing her to fire orbs of energy at the end of the channel. Each orb damages enemies and stops on enemy gods. Hitting the same enemy deals 15% less damage each time, to a minimum of 70% reduction. This ability can fire additional projectiles at ranks 3 and 5.

Ability Type: Line, Damage
Damage: 80 / 90 / 90 / 100 / 100 (+30% of your Magical Power)
Cost: 55 / 60 / 65 / 70 / 75
Cooldown: 10s

Consume (Ground): Tiamat fires a cone dealing damage and slowing enemies hit. Minions, Large Monsters or Buff Holders hit under a health threshold are executed. Tiamat can immediately consume her Serpent and Beast pets to provide a Hardened Scale. When Tiamat consumes a Buff Holder she gains their buff while the original can still be picked up by allies. This allows Tiamat to pick up a second buff as well. Tiamat can only have one consumed and one regular buff at a time.

Ability Type: Cone, Slow, Damage
Damage: 60 / 95 / 130 / 165 / 200 (+50% of your Magical Power)
Slow: 25% for 1.5s
Execute Threshold: 50%
Cost: 55 / 60 / 65 / 70 / 75
Cooldown: 12 / 11 / 10 / 9 / 8s

Ruination (Flying): Tiamat creates an energy field dealing low damage to enemies in the entire area and then a larger amount in the inner area. The inner area of the field also stuns enemies for a short duration.

Ability Type: Area, Stun, Damage
Area Damage: 40 / 55 / 70 / 85 / 100 (+40% of your Magical Power)
Inner Damage: 60 / 95 / 130 / 165 / 200 (+50% of your Magical Power)
Stun Duration: 1s
Cost: 65 / 70 / 75 / 80 / 85
Cooldown: 16 / 15 / 14 / 13 / 12s

Outburst (Ground): Tiamat slams the ground creating seismic rifts that erupt in succession in front of her, damaging and knocking up enemies hit.

Ability Type: Line, Knockup, Damage
Damage: 50 / 80 / 110 / 140 / 170 (+40% of your Magical Power)
Cost: 65 / 70 / 75 / 80 / 85
Cooldown: 14 / 13 / 12 / 11 / 10s

Grounding Dive (Flying): Tiamat dives into the fight landing on all fours, dealing damage and switching to her Ground stance. This ability also provides Tiamat one Hardened Scale.

Ability Type: Circle, Leap, Damage
Damage: 40 / 80 / 120 / 160 / 200 (+40% of your Magical Power)
Cost: 40
Cooldown: 20 / 18.5 / 17 / 15.5 / 14s

Rising Flight (Ground): Tiamat rears up sending out a blast of energy, dealing damage to enemies and sending herself backwards as she returns to her Flying stance.

Ability Type: Line
Damage: 40 / 80 / 120 / 160 / 200 (+40% of your Magical Power)
Cost: 40
Cooldown: 20 / 18.5 / 17 / 15.5 / 14s

Children of Creation (Flying): Tiamat is able to summon one of her children onto the battlefield.

Ability Type: Pet, Damage
Summon Serpents (Summon #1): Serpents that travel down lanes and act as minions.
Summon Beast (Summon #2): Kusarikku who stands guard waiting for enemy gods.
Summon Storm (Summon #3): Umu Dabrutu, the storm that chases enemies.

Cost: 0
Cooldown: 0s

Tempest of Undoing (Ground): Tiamat causes a celestial outburst around her, dealing initial damage and a damage over time effect to every enemy nearby. Tiamat also gains one Hardened Scale per enemy god hit.

Ability Type: Area, Damage
Damage: 60 / 90 / 120 / 150 / 180 (+30% of your Magical Power)
Burn Damage: 10 / 20 / 30 / 40 / 50 (+5% of your Magical Power) every 0.5s
Burn Duration: 2s
Cost: 100
Cooldown: 20s