Awakening of the Machine Event

Awakening of the Machine Event is the third solo event on DML. It has the duration of 11.5 days and the final reward is the Machine Dragon.
Type: Solo Event
Duration: 11.5 Days

Description
A greater challenge is coming to Dragonlandia. Awaken the Machine by completing all goals! He will protect you against the upcoming threats.

Rewards
Tier 1: War Dragon
Tier 2: Armored Dragon
Tier 3: Legendary Habitat
Tier 4: Ironcast Dragon
Tier 5: Machine Dragon

Tier #	Item	Requirement	Recommended	Estimated Cooldown	Gems to Skip
Tier 1	12 Maiden Dolls	Collect Gold	Any Habitat	5 Minutes	10 per Doll
	10 Ships	Feed Dragons	Level 1 Dragons	None	10 per Ship
	2 Tokens	Hatch Dragons	Fire Dragon	3 Hour	10 per Token
Tier 2	12 Shields	Collect Food	Spring Cherry	1 Hour	10 per Shield
	20 Helms	Spend Gold	Spiked Cherry	None	10 per Helm
	3 Dragon Skulls	Breed Dragons	Fire Dragons	3 Hours	10 per Skull
Tier 3	12 Swords	Level Up Dragons	Hatched Fire	None	10 per Sword
	20 Axes	Collect Gold	Any Habitat	30 Minutes	10 per Axe
	5 Viking Dolls	Hatch Dragons	Fire	5 minutes	10 per Doll
Tier 4	12 Tokens	Spend Gold	Spiked Cherry	None	10 per Token
	5 Ships	Hatch Dragons	Fire Dragon	10 Minutes	10 per Ship
	25 Helmets	Collect Food	Spiked Cherry	30 Minutes	10 per Helmet
Tier 5

Source: Dragon Mania Legends Wikia

Each tier can be completed by collecting the required items by completing various tasks.