DOTA Strategy for Chen

Today we've got a DOTA Strategy and build up for Chen. In DOTA; Chen needs to be played primarily as a 'support hero' however - Chen also has the power to be a killing hero, you must choose your time right and only engage when its the right time (at other times keep to supporting your DOTA team mates!) (Warcraft3)

Chen - The Holy Knight
Range: 600 | Move Speed: 300
Primary: INT
Str: 20 + 1.5 | Agi: 15 + 2.1 | Int: 21 + 2.8
Damage: 43 – 53 | HP: 530 | Mana: 273
HP Regen: 0.85 | Mana Regen: 0.85
Attack Speed: 1.44 | Armor: 2
Prophesizing a new dawn, a new world cleansed of the old evils, the Holy Knight's entrance into the war against the Scourge forever changed the course of history. A crusader riding under the banner of Hextar, the Holy Knight promises ever-lasting glory and redemption for those who march with him, and obstacles ahead to test the faith of all those sworn to forever cleanse evil from the land. Fanatically devoted to his cause, his followers come from every race, every background, and will stop at nothing to see the Scourge destroyed. If ever the redeeming hand of God touched earth, its name was Chen, the Holy Knight.

Penitence (E)
Forces a unit to accept punishment for their sins, causing them to move slower and accept more damage from attacks or spells. Lasts 7 seconds.
Level 1 - 8% movement speed reduction, and 7% increased damage taken.
Level 2 - 16% movement speed reduction, and 14% increased damage taken.
Level 3 - 24% movement speed reduction, and 21% increased damage taken.
Level 4 - 32% movement speed reduction, and 28% increased damage taken.
Mana Cost: 100
Cooldown: 15

Test of Faith (F)
If cast on enemy, will deal variable damage based on the units faith.
If cast on allied Hero, it will teleport him to the fountain. Allies can ignore the effect of Test of Faith by typing -disablehelp in advance, and type -enablehelp if they need it.
Instantly teleports Chen`s persuaded units to the fountain.
(Note: Faith seems to mean completely random)
Level 1 - 50-100 Damage to foes, 6 second casting time for allies.
Level 2 - 100-200 Damage to foes, 5 second casting time for allies.
Level 3 - 150-300 Damage to foes, 4 second casting time for allies.
Level 4 - 200-400 Damage to foes, 3 second casting time for allies.
Mana Cost: 140
Cooldown: 30

Holy Persuasion (R)
Takes control of a target unit. Cannot persuade allied units, Ancients, enemy hero images, and Necronomicon summons. If the persuaded unit has timed life, it will die after the timer is over.
If you persuade additional units after you`ve persuaded the maximum number of units, one of the units, not necessarily the last one, will die.
Level 1 - Unit Max. 75 HP Bonus.
Level 2 - Unit Max. 150 HP Bonus.
Level 3 - Unit Max. 225 HP Bonus.
Level 4 - Unit Max. 300 HP Bonus.
Mana Cost: 100
Cooldown: 30

Hand of God (D)
Fully Regenerates your own units, which may include your chicken, converted creeps, Necronomicon summons and images etc. Heals all allied heores on the map.
Level 1 - 200 HP Healed.
Level 2 - 300 HP Healed.
Level 3 - 400 HP Healed.
Mana Cost: 150 / 200 / 250
Cooldown: 70