Nobundo by Mindfeldt

Level 1:

Undulation (E)
Quest: Using Healing Surge on an allied hero with less than 25% health permanently reduces its cooldown by 0.2 seconds, up to a maximum of 4 seconds reduction.
Reward: After healing 10 heroes below 25% health, the cast time is reduced to 0.5 seconds.
Reward: After healing 20 heroes below 25% health, the cast time is removed.

Windsong (Q)
Quest: Silencing an enemy hero with Wind Shear permanently increases its silence duration by 0.05 seconds, up to a maximum bonus of 0.75 seconds.
Reward: After silencing 15 enemy heroes, Wind Shear may affect up to 2 enemy heroes, with the second hero recieving half damage and silence duration.

Resurgence (W)
Healing Rain refunds 1 mana per second for every affected allied hero.

Far Sight (Active)
Cooldown: 60 seconds
Reveal everything within a large area for 5 seconds.

Level 4:

Persistant Gale (Q)
Wind Shear passes through and damages non-hero units, dealing 10% less damage for every unit hit.

Drench (Basic Attack)
Every 10 seconds, your next Basic Attack deals 100% increased damage and slows by 30% for 1 second.

Rain Season (W)
The healing and radius og Healing Rain is increased by 2% every second it is active, up to a maximum of 20%.

Ancestral Resolve (Trait)
Nobundo gains 2 armor, reducing all damage taken by 2%, for every hero affected by Mastery: Deep Healing.

Level 7:

Healing Stream Totem (Active)
Cooldown: 60 seconds
Summon a Healing Stream Totem that heals the two nearby allies with the lowest health for 2% of their maximum health per second, prioritizing heroes. Lasts 10 seconds or until destroyed.

Grounding Totem (Active)
Cooldown: 60 seconds
Summon a Grounding Totem that gives nearby allied heroes 25 spell armor for its duration, reducing ability damage taken by 25%. Lasts 10 seconds or until destroyed.

Wind Rush Totem (Active)
Cooldown: 60 Seconds
Summon a Wind Rush Totem that gives nearby allied heroes 20% bonus attack speed and 10% bonus movement speed for its duration. Lasts 10 seconds or until destroyed.

Cloudburst Totem (Active)
Cooldown: 60 seconds
Summon a Cloudburst Totem that gains power from your healing spells. When it expires or is destroyed, 25% of this healing is spread evenly among all nearby injured heroes. Lasts 10 seconds or until destroyed.

Level 13:

Tempest (Q)
When an enemy unit is hit by Wind Shear, all enemies in a small area in slowed by 60% for 0.5 second. Does not apply when passing through minions.

Overflow (E, Trait)
Healing Surge applies the extra healing from Mastery: Deep Healing to all heroes within a short radius.

Calming Waters (W)
Stun, root, slow, fear, blind and silence effects on allies affected by Healing Rain have their duration decreased by 10%.

Freezing Rain (W)
Healing Rain applies a debuff to enemies inside its area, slowing them by 1%. This can stack up to 10 times and lasts for 1 second after leaving the area.

Level 16:

Talent Name (Q)
All enemies damaged by Wind Shear are blinded for 2 seconds.

Invigorating Stream (E)
Healing Surge increases the targets movement speed by 25% for 2 seconds.

Bottomless Depths (Trait)
The healing and duration of Mastery: Deep Healing is increased by 25%.

Sand Blast (Trait)
The duration of Mastery: Deep Healing is reduced by 2 seconds.

Level 20:

High Tide (R)
Wellsprings area is increased by 25% and the wave travels 25% faster. Enemy heroes hit are knocked back slightly and slowed by 30% for 2 seconds.

Cleansing Barrier (R)
Water Shield removes all negative effects from the target and makes then unstoppable for 1 second.

Totem Mastery (Active)
Grants access to all totems and reduce their cooldown by 20 seconds.

Reincarnation (Active)
Cooldown: 120 seconds
Cast while dead to ressurect yourself, respawning at your death location with 20% health and mana.