Morpheus, God of Dreams

Lore:
Morpheus was the leader of the Oneiroi, the dark winged gods or spirits (daimones) of dreams. He manifested himself in the dreams of kings and rulers in the likeness of men as a messenger of the gods. Morpheus has the ability to take any human form and appear in dreams.

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Passive: Nightmares
All of Morpheus' abilities that hit sleeping enemies affected by his Lullaby ability cause 35% increased damage.

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1: Dream Eater
Morpheus devours the the enemies' dreams within a cone area, causing 45/90/135/180/225 (+50% of your magical damage) and healing himself for 25% of the damage dealt.
Ability: Cone
Affects: Enemy
Cost: 55/70/85/100/115 Mana
Cooldown: 17/16/15/14/13 Seconds

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2: Lullaby
Morpheus sings a lullaby to all enemies within a line in-front of him, making them to fall sleep and mesmerizing them while increasing his movement speed by 3/6/9/12/15% and HP5 by 10/20/30/40/50. Any damage wakes up the target and breaks the effect.
Ability: Line
Affects: Enemies
Duration: 0.3/0.6/0.9/1.2/1.5 Seconds
Buff Lifetime: 5 Seconds.
Cooldown: 20/18/16/14/12
Cost: 65 Mana

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3: Haunt
Morpheus calls his Oneiroi allies upon a ground target location to haunt the enemies' dreams, causing 50/100/150/200/250 (+40% of your magical damage) to all enemies within that area and slowing them by 20% for 2 seconds.
Ability: Ground Target
Radius: 10
Affects: Enemy
Cooldown: 10 Seconds
Cost: 80/90/100/110/120 Mana

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4: Metamorphosis
Morpheus shrouds his enemies in a dream. He picks a single enemy god without them or their allies knowing and then becomes invisible for 4 seconds while moving 50% slower and being unable to attack. Afterwards Morpheus metamorphose himself to appear as the enemy god he chose in the enemies' eyes for 4/5/6/7/8 seconds. The enemy god which was picked cannot see Morpheus, nor his abilities and cannot be affected or hit by them what so ever. Additionally the enemy cannot see the real picked enemy god as well for the same duration. Morpheus' Lullaby ability cooldown is reduced by 100% when successfully hits an enemy god and the cooldown on his Dream Eater ability is reset immediately after killing an enemy.
Ability: Area
Affects: Enemy
Duration: 4/5/6/7/8
Cooldown: 90 Seconds
Cost: 135 Mana

*Note that Morpheus is till vulnerable to all attacks apart from minions. Meaning that he could impersonate as Apollo but all of his enemies can still attack the fake Apollo and can see him damage his allies but not the animations themselves (just the character animations parallel to the ability he used, for example if Morpheus uses his 1, Dream Eater, on the enemies' screen it would seem like Apollo used his So Beautiful which his also his 1 but they would see the health of the enemy god he attacked going down).

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Thanks for reading and hope you enjoyed.
Any feedback, criticism or comment are welcomed and sorry if it's too many god ideas that I'm posting.