Contents
1. Introduction
2. Hero’s overview
3. Skills justifications
4. Item build and justifications
5. Strategies and tips
6. Ending
1. Introduction
When i first started playing this addictive game, i noticed that i have quite a number of Heroes to choose from. I always like to be unique, different from the others, that was one of the main reasons i’ve chosen him. Although many strongly discourage me to choose Viper as my first hero, i never gave up on him.
Certainly, my friends would say Viper has a rather low damage, and that Naga sirens utterly rapes me, ganks kills me, nukers take my pitiful life away. My advice is , don’t listen to those crap talking. A true player uses what he wants and what he feels like owning the game with. No one would have ever laughed at you if you have owned using a hero known as “weakling , low damage”.
My point is, this game is rather balanced, no heroes would be more advantageous over all other heroes in any way. It’s how you control your heroes that matter most. I believe, and will always believe, viper is one of the most cool and strong heroes in dota. Also, he’s fun to use!
By the way, i am quite new to the game so i might have some errors while making this guide, my aim for building this guide is to spark interest for people who never did try viper or forgot about him. And maybe even, educate people in his uses! We all learn from mistakes, so try to correct me if i make some major mistakes along the way
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2. Hero’s overview

Viper - The Netherdrake
Range: 575 | | Move Speed: 300 | Primary: AGI
Str: 17 + 1.9 | Agi: 21 + 2.5 | Int: 15 + 1.8
Damage: 49 - 51 | HP: 473 | Mana: 195
HP Regen: 0.76 | Mana Regen: 0.61
Attack Speed: 1.34 (+ 21% IAS) | Armor: 2
Viper is commonly known as the “carry” type of heroes in DotA. These heroes have hidden potentials that will hopefully, in one way or the other, massively contributes to the team and carry the team to victory. Numerous people i have met, classifies Viper into the category “mid game hero”. I personally, doesn’t believe about generalization. Because i feel that Viper can be whole game effective
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Also, Viper stats are pretty average for an AGI ranged hero.
3. Skills justifications

Frenzy (Activated skill)
Increases attack speed for 20 seconds, at the cost of taking additional damage.
Level 1 - 25% increase, 5% damage taken increase.
Level 2 - 50% increase, 10% damage taken increase.
Level 3 - 75% increase, 15% damage taken increase.
Level 4 - 100% increase, 20% damage taken increase.
Mana Cost: 80/ 90/ 110/ 130
Cooldown: 40
In my very honest opinion, i don’t like this skill at all. Sure, many argue that for a DPS hero, this skill is just 1337h41pt3ht34m2pu5h. 100% increased attack speed sure does sounds great. however, i personally don’t recommend getting frenzy early on, not until level 20+. Usually i get frenzy around level 18 if i am owning much or playing against AI. Otherwise, this skill will be just another reason why my opponent would of targeted me in team clashes.
Also, this skill is awesome during 1v1s. but be careful , if you happen to get disabled or something, this skill only means “extra 20% dmg taken”. If you are confident of surviving with your own abilities, then add this skill around level 12. 

Poison Attack (Activated skill)
Coats Viper’s attack with poison. Slows movement and attack speeds and lasts 2 seconds.
Level 1 - Slows speed by 10%, deals 6 damage per second.
Level 2 - Slows speed by 20%, deals 12 damage per second.
Level 3 - Slows speed by 30%, deals 18 damage per second.
Level 4 - Slows speed by 40%, deals 24 damage per second.
Mana Cost: 20
Cooldown: 4/3/0/0
Viper definitely would be one of the best harassers (if not, BEST). Poison attack provides viper with early game lane control, which means during early game, you will be using this skill to harrass opponent heroes and hopefully, chase them back to their fountains to ensure yourself a peaceful farming time.
This skill is fundamental. I suggest maxing it first. Also, using the famous “Orb-walk”. which will be explained in Strategy section, will net you several kills, which your opponent can do almost nothing to prevent themselves from being killed by you.

Corrosive Skin (Passive skill)
Viper’s body is covered with poison. Any unit that attacks it becomes infected. Reduced movement and attack speed and minor damage for 3 seconds.
Level 1: 5% speed reduction, 5 damage per second, 5% magic reduction.
Level 2: 10% speed reduction, 10 damage per second, 10% magic reduction.
Level 3: 15% speed reduction, 15 damage per second, 15% magic reduction.
Level 4: 20% speed reduction, 20 damage per second, 20% magic reduction.
Mana Cost: N/A
Cooldown: N/A
When Viper hits you, you get slowed and poisoned, when you hit him back, you get slowed even more and poisoned further. This skill is great, the 20% Magic reduction also helps in keeping you alive.

Viper Strike (Activated skill)
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