Ouroboros

In the Preservation Evoker talent tree, Ouroboros sits in the Preservation specialization talents, row 8 of 11. It is a single-point node. Its row opens once 20 points are spent in Preservation Talents.

Connected above

The tree draws a line into Ouroboros from Call of Ysera.

• 
  Call of Ysera

  Dream Breath healing increased by 20%, and Living Flame healing increased by 30%.

Connected below

Ouroboros leads on to Renewing Breath.

• 
  Renewing Breath2 ranks

  Dream Breath healing is increased by 15%.

Same row

Also on this row: Spark of Insight, Life-Giver's Flame, Inner Flame, Temporal Artificer, Energy Loop and Time of Need.

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  Spark of Insight

  Consuming a full Temporal Compression grants you Essence Burst.

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  Life-Giver's Flame

  Fire Breath and Deep Breath heal 5 nearby injured allies for 80% of damage done to up to 5 targets, split evenly among them.

• 
  Inner Flame

  Casting Dream Flight or Stasis increases your healing over time by 50% and causes Living Flame and Reversion to have a 100% increased chance to grant Essence Burst. Lasts 20 sec.

• 
  Temporal Artificer

  Rewind's cooldown is reduced by 60 sec.

• 
  Energy Loop

  Disintegrate deals 35% more damage and generates 2 mana over its duration.

• 
  Time of Need

  When you or an ally fall below 30% health, a version of yourself enters your timeline and heals them. Your alternate self continues healing for 8 sec before returning to their timeline. May only occur once every 60 sec.