English is not my native language so any grammar correction will be appreciated.
I write this guide with the assumption that you already know the basic things of DotA (Last-Hit,Deny,etc).

Detailed Stats and Skills Mechanics

Table of Contents
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The Alt Tab Mini Guide
Skills and Strategies
Skill Build
Item Build
General Outline
Replays
Credits

The Alt Tab Mini Guide

Core Items

Luxury Items

In a pushing game or If you have advantage over enemy -

Versus an AoE team -

Against fragile teams -

Psychical hero can be countered with -

Brief Gameplay

Be aggressive at lane
Initiate every team-fight
Absorb enemy's damage and never back off in a team fight

Skills and Strategies

Hoof Stomp
Slams the ground, stunning and damaging nearby enemy land units.

Notes
• Damage type: magic

Hoof Stomp is your Initiating skill.
It has small radius so it will better if you come from opponents back if you want to engage. Of course, this wouldn't be the case if you have Blink Dagger.
It's a stun, so don't forget to stop enemy's channeling spells whenever possible.
Don't spam it and don't use it as harrasing tools since you have shitty mana pool as well as low mana regeneration and this skill has mediocre cooldown. Only use it when you try to kill the enemy.
If you want to get back for healing, don't forget to stomp nearby neutrals/creeps so your mana doesn't go wasted.

Double Edge
The Centaur summons a tremendous amount of inner strength and releases a very powerful attack. It can only be done at melee range, and it damages both the Warchief and the enemy unit.

Notes
• Damage type: magic (both on the target and the Warchief).
• It has 150 range.
• Centaur Warchief cannot kill himself with this skill.
• Double Edge interrupts channeling spells and items.

The skill that makes Centaur Warchief a force to be reckoning with. Max it ASAP because 300 damage is not small.
When engaging someone, use DE early. This skill has decent cooldown and by using it early, you have the chance to use this skill twice.
Don't forget DE also has mini-stun which comes in handy to interrupt channeling spell so save it if you engaging someone who has channeling spell.
When you have enough HP Regeneration, you can spam this skill to instantly kill ranged creep.
Double edge no longer can be used to deny self. If you used it under the required HP, It will leave you with one HP and can be lethal if you engaging more than one enemy.

Return
The Centaur Warchief immediately counters every attack against him with a swift strike.

Notes
• Damage type: physical
• Return causes damage when the enemy begins an attack, not when their attack hits.
• This ability damages anything that attacks the Warchief, including towers.

Your pushing skills. Simply walk over your creep and let enemy's creep to attack you and they will be wiped in a sec.
This skill is physical damage so it will be negligible damage to heroes thus useless in Laning Phase.

Great Fortitude
The Centaur Warchief's mammoth body is capable of absorbing great amounts of punishment.

Notes
• N/A

The STR it gives is equal to +228/+456/+684 HP, +12/+24/+36 Damage, and +1.2/+2.4/+3.6 HP Regeneration.
One of the most boring and simple skill in DotA but this skill is what makes Bradwarden a superb tank.

Skill Build

Hoof Stomp
Double Edge
Double Edge
Hoof Stomp
Double Edge
Great Fortitude
Double Edge
Hoof Stomp
Hoof Stomp
Return
Great Fortitude
Return
Return
Return
Stats
Great Fortitude

Why Hoof Stomp first?
Due to the common Level-one Ganks, it would serve as an escape mechanism.

Why Double Edge over Hoof Stomp?
Because 75 damage is superior early than 0,5 Seconds Stun. Double Edge also doesn't cost any mana while Stomp's mana scales based on the level.

The rest of the skill build are self explanatory and do not skip his skills for stats since all of his skills are important.

Item Build
For more detailed information about item, click here.

Starting Items

Buy Magic Stick if you are in a game full of spammer.
Tango and Salve to restore your HP because Double Edge cost quite lot of it early.
Quelling Blade if you need to rush Blink Dagger
Spend the rest of your item to GG Branch since you doesn't need any mana (Mantle or Clarity) as well as the needs to build a Bracer (Gauntlet or Circlet)

Core Items

Using Double Edge often leave you with red HP that can be lethal if you engaging two enemies. Magic Wand will fix that with its imbalance burst heal.
Double Edge deals magical damage to the enemy and ourself so Hood of Defiance is a logical reason to reduce DE impact on us. And since you are an initiator, you will be focused like hell and Magical Resistance will save your ass a lot.
Boots of Speed is self-explanatory
Stomp has a very small radius. That's what Blink Dagger for.

Item order depends on the game line-up.

If you are in a hard lane, Buy Hoods first will be better since the regen from ring or helmet will help you survive.
If you are against a defensive lane, save up and going Blink Dagger first is the best choice.
If you died and return to the fountain, Boots of Speed or Magic Stick or Both is your best choice.

Luxury Items

If you manage to get three of them in less than 50 minutes, its means you farm too much.

Choose Travel if your/opposite team builds around pushing. The Teleportation really help you to attack or defend. Buy this item too if your team has the upper hand and play aggressive.
Pipe is the only upgrade to Hoods of Defiance. You also a very good pipe carrier since you tends to be in the middle of the fight.
Since you are always in the middle of the fight, Radiance is a good choice for you. Your monstrous HP also synergies very well with this item.
Assault Cuirass for more tankish power and helping your team with its aura. It also increase your DPS output and thus, makes sure that the enemy can't ignore you.

Item you buy depends on the game line-up.

In an aggressive pushing game, buy Travel.
Versus an AoE team its better to buy Pipe first.
Against fragile teams, Radiance will sap their life away fast.
Psychical hero can be countered with Assault Cuirass

IF YOU MANAGED TO BUY OTHER ITEMS THAN THE CORE + LUXURY, IT MEANS YOU FARMED TOO MUCH.

Questionable Items

If you have a hard game and struggle, Choose Phase for it's easy build and cheap price. Buy this item too if you seems to ganks a lot. It gives us a good mobility to roam around the map.
About Vanguard, It has decent regeneration which needed and also damage block which synergies well with Return. The thing is, in early game you don't want to take damage from the enemy and you don't learn return yet. In Mid-Game to Late Game where realistically the time you buy this item, the damage block part become weaker and weaker.
Shiva Guard is a nice item overall but has some weakness. First of all, the amount of EHP it gives kill your role as a tank. Nobody wants to attack a STR hero with monstrous HP and huge armor. This item also has an expensive buildup named Mystic Staff. The price of Mystic Staff is expensive and doesn't help you much when you got it. And Cuirass simply superior because Cuirass give you attack speed and thus, increase your DPS and make you a threat while the aura helps your team.
Heart of Tarrasque will make you ignored more unless you already got decent DPS. And to get the acquired DPS, you need to buy another expensive item and force you to farm like chinese farmer.
Basicly, Blademail makes you have a "LOL YOU CANT TOUCH ME FOR 5 SECONDS" sign over your head when you activated it. And since you want to be touched, this item is banned from your inventory.

General Outline

Role

You have an AoE Stun. So initiate ganks/team-fight is what you do.
You also have bunch of HP allowing you to take a lot of damage and that part, makes you a tanker.

When to Pick

In pub play, you can pick him everytime you want. Best time to pick him if the enemies consist of fragile heroes.
In cm/draft/Competitive play, choose him if you lack of an initiator or your teams are fragile and need someone to tanks the damage.

Lane
for more detailed information about Lane Control click here

Do not fucking Jungle. To jungle you need return and in order to leveling it up, you must sacrifice either Stomp or Edge, which both important early.
A Dangerous short lane with range disabler is preferred. Especially if the disabler got a nuke.

What to do in Lane

Play aggressive and scare enemy off the experience range by moving close pretending you want to do a stomp.
You need to get your Blink Dagger/Hoods fast and to do that you need to last hit a lot. Last Hit > Deny > Harrasing.

Animation Cancel
for more detailed information about Animation click here

Centaur does his damage when his axe is midway in the air. To reduce the damage you take from harassing when you try to last-hit, as well as to keep up with fleeing enemy, click away just after you deal the damage.
He also gets a quite long animation for Stomp. If you press s in the 0.5 seconds after hoof stomp is pressed (when Brad pulls his leg up), the animation will start but the spell will not go off.

This can be abused to fake-stomp and wasting enemy's mana.

When is the right time to gank?
Since Brad is not a dedicated Ganker, you must know the right time to gank is.

First of all, if you want to ganks you must make sure that your lane partner can survive the lane alone. It's not a good idea to leave a CM in Lina-SK lane.
Secondly, you must sure your target will be killed. Check his HP, Skills and check if your teammate in the lane you gank got a disable/nuke or not.
Thirdly, the best time to ganks in my opinion is when you just spawn/return to the fountain. The enemy will think you in your way to your lane or healing so they will not be very cautious when you missing in the map.

Ganking

Initiate with Blink + Stomp if you already has it.
If you are not, try to walk in enemy's escape route so you can pull off your stomp.
Don't be hesitating to use Double Edge early unless your enemy has channeling spell and your friend doesn't have disable skill.

Team Battle

Stay back behind your team and stay in the fogged area to avoid enemy damaging you and thus, delaying your dagger.
Again, initiate with Blink + Stomp if you already has it. If you are not, just walking to the enemy also good since you will be absorb disable/nuke and that's what a Tank do.
Try to Blink near enemy's weak spellcaster and try to kill it before he use any spells.
Never back-off in the middle of the fight. You are a Tank so you have to absorb damage as much as you can.

Late Game

Brad still shines in the late game thanks to his Return. Return can be used to wipe-out the entire enemy's creep wave in a few seconds.
Your job in late game team-fight is, initiate, deals as much damage as possible, and die.

Replays

Centaur by DarkMedina

Item Build:

Credits

You for reading this and give this guide feedback
m1Lkman for his picture in his Centaur Guide at DA
Dark Medina for his replay.
source