Yogg-Saron by miasoku

Summon a noxious cloud at a location with 30 yards of an ally. Allies receive 5% haste 5% damage while standing in it. If an enemy touches it, the cloud will disperse and spawn a Guardian of Yogg-Saron after a 3 second delay.

Summons a minion with low health. Will target the closest enemy Hero or creep. If none present, will find nearest lane to go down. 

Summons a Crusher Tentacle at the location that will attack the nearest enemy Hero or creep. Must be within 30 yards of an ally. Casts Aura of Diminished Power when not damaged for 3 seconds, decreasing all enemy Heroes damage within 30 yards by 5%. Gains 1% increased damage every second for all enemies affected by Diminished Power. 

30 Mana
20 Second Cooldown

Summons a Corrupter Tentacle at the location. Must be within 30 yards of a friendly Hero or Crusher Tentacle. Deals ranged damage. Casts Black Plague, dealing damage overtime and stunning an Enemy Hero for 1 second randomly. Last 15 seconds.

20 Mana
15 Second Cooldown

Summons a Constrictor Tentalce on an Enemy Hero that is within 30 yards of a Friendly Hero or Crusher Tentacle. Roots enemy Hero for 5 seconds and deals damage. Has low health and can be killed to end the root early.

10 Mana
10 Second Cooldown

Teleport to the selected Crusher Tentalce. Upon arrival, Yogg-Saron begins to drain enemy Heroes' sanity within 10 yards every second for 5 seconds. An enemy Hero will go insane after 2 hits, losing control over themselves. They will become friendly to the enemy team and begin attacking former allies for 5 seconds. 

50 Mana
70 Second Cooldown

Yogg-Saron targets a friendly ally or Gaurdian of Yogg-Saron with a Shadow Beacon. After a 1 second delay, Yogg-Saron will launch a Cloud of Shadows at the Shadow Beacon. All allies within 15 yards of the Shadow Beacon will become Empowered, increasing health, damage, and speed by 10%.

50 mana
100 Second Cooldown

Yogg-Saron cannot freely move. It can teleport between Crusher Tentacles.

10 second cooldown