Dota Renew Sidereal Engine

His nickname sums up what he is, Tank. He is a tank because he's durable, and because he looks like one. He can serve two purposes, high damage to buildings and AOE destruction to both heroes, creeps, and buildings all in one blow. He has high damage, high strength (high health and regeneration).

He requires little if any mana regeneration. His attackspeed is relatively slow, only being "average". He attacks slow while in siege mode, however. This is a trade off for chaos damage, which is one of his best skills. His agility gain is very low, being a 1 digit number for his first few levels. Getting a Blade of Alacritiy basically doubles his base agility for most of the game. Not advisable, however.

There are two methods of playing Tank. One is the invulernable Tank which never dies. To do so you stack as much armor and health bonuses as you can. This Tank is effective to annoying people. The second, and much better Tank build which one should always focus are getting, is the machine gun tank. Getting him to do 1 attack/second would strip any building of it's HP in less than 15 seconds (except for the main). That's a pretty neat thing if I do say.

Astral Protection:

Passive. Get this skill always. This is very helpful in killing enemies and warding heroes from attacking you while you're in siege mode or just walking. It gets you a lot of gold in lane as it gets last hits frequently. Top priority. Low mana cost for it's duration. It also helps you from getting harassed in lane as it has more range than you. You can use it to chase down heroes so you don't stop to attack them. Just keep walking by them. It also makes creeps and towers from not attacking you while you're damaging the hero with this skill. You cannot control the target.

Energy Surge:

Gives you bonus armor and an active mana to health conversion. Only get when necessary. Sometimes you will find that you will need it early on while other times you won't need it until later. I usually get it later on unless being extremely harassed.

Siege Mode:

The main reason Tank is a kick ass hero! In this form, he is immobile but can chaos damage. That means armor on buildings are useless! They take full damage. That's at least 100 per hit. You have a minimum range that you have to be wary of, however. You cannot attack things within 50 distance of you.

Collapse:

Very good ultimate. High AOE. The cooldown is nearly as long as it takes for your mana to regenerate so it's fine. It also does a decent amount of damage. Good against heroes, normal units, and even buildings! Get this when possible and spam it.

No matter which one you get, I advice the same route unless you are requiring that extra dose of health, in which case just get siege mode later on.

Level 1: Astral Protection

Level 2: Energy Surge

Level 3: Astral Protection

Level 4: Energy Surge

Level 5: Astral Protection

Level 6: Collapse

Level 7: Astral Protection

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From there, just pick your own skills as required. I would get siege mode next if I was coming up to a tower or so.

Okay, he's not invulernable, but he's nearly impossible to kill. With his mana to hp conversation, he is effectively indestructible.

Most beginners go this mode. This makes him a permanent nuisance, however, disables him from his more effective skill which is to siege. He must stay outside of siege mode in order to use his conversion skill and for his mobility.

I would suggest getting any armor you can afford. For example, begin the game with a Ring of Basilius to help push creeps and get the armor.

The ideal armor to get would be shadowplates, but those are ridiculously expensive. So you can just get Plate Mails. If you can't afford that, you can go with the lower costing mana.

Opening Build:

Ring of Basilius, Gauntlet of Strength

Mid-Game:

Ring of Basilius, Plate Mail, Plate Mail, Power Treads (str)

Late-Game:

Theron's Magical Cloak (made from the ring of basilius), Plate Mail, Plate Mail, Power Treads (str), Shadowplate, Shadowplate

This is the attackspeed build. This pushes the siege mode skill's main advantage: chaos damage. To utilize it to the max, get attackspeed. Power treads, Weapons of the Chieftains, and hyperstone are good items to go for. Horn of Battle can be helpful as well.

This route is more determined as there are a more limited number of items that aids in attack speed.

But again, if you can't afford a certain item you can substitute it for something of worthy cost.

Opening Build:

Ring of Basilius

Next, get a Belt of Strength. After getting a Belt get Gloves of Haste. Get Boots of Speed and get your Power Treads (str).

Early Mid-Game:

Ring of Basilius, Power Treads (Str), Gloves of Haste, Belt of Strength

Mid-Game:

Ring of Basilius, Power Treads (str), Weapons of Chieftain (from the Gloves of Haste and Ogre Axe), Gloves of Haste

Late Game:

Power Treads (str), Weapons of Chieftain, Weapons of Chieftain, Hyperstone, Hyperstone, Hyperstone

Remember, if you can't afford certain items, get substitutes. For example, if you want to make use of that final slot but can't afford a hyper quite yet, get gloves of haste. Just sell it later on.