Use Acid Spray throughout the game to stack and farm jungle camps effectively. Make sure to bring yourself Clarities to be able to use this spell for farming at all times.
With the help of level 10 and 15 talents Unstable Concoction becomes insanely powerful killing tool in the mid and late stages of the game. Keep in mind that you ann dodge Concoction explosion with the help of Manta Style.
Do not waste your time on any ineffective rotations and focus your attention on farming in the early and mid stages of the game. Take full advantage of Greevil's Greed bonus. Remind your teammates to control Bounty Runes as you gain huge bonuses for them.
The cooldown of Chemical Rage is quite long, so you need to make sure to use it effectively. Try not to fight when this spells is on cooldown.
Early game
Additional stats provided by Bracer will help you to farm more effectively and even participate in early fights.
After the latest changes to Chemical Rage it is necessary to purchase Soul Ring to be able to farm effectively. With the help of Soul Ring you will be able to use Acid Sprey more often.
mid game
Radiance is your key farming and fighting tool. Do not rush to participate in fights after you finish this item, wait untill you finish Manta Style at least.
Manta Style illusions will help you to farm and split push lanes more effectively. Very useful bonuses and the ability to remove debuffs will make you a lot stronger in fights.
Blink Dagger is a very powerful initiation tool. Use it in combination with Unstable Concoction to initiate fights and make kills around the map.
25% cooldown reduction will allow you to use your spells and items more often and more effectively.
late game
Additional armor in combination with very useful active ability will make you a lot stronger in fights.
As Alchemist very often position himself in the epicenter of a teamfight, he can benefit a lot from having a magic immunity.
Situational
Armlet can be a good addition to the recommended build. You can go for this item before Radiance. Its active ability and very useful bonuses will increase your farming potential and make you a lot stronger in early fights.
Great alternative or addition to Radiance. Get this item instead of Radiance very early to increase your farming or as your 5th slot to increase your damage output in late-game.
Great alternative or addition to Shiva's Guard. Additional armor and attack speed will make your hero significantly stronger.
Satanic is a great late-game item, which will help you to become a lot stronger in fights. Aside from very useful active spell, it will give you 30% status resistance.
Nullifier is one of the strongest late-game items, which will help you to counter Ghost Scepters and prevent enemy cores from using Black King Bars.
Great item to get as a 5th or 6th slot if you have a good game. Additional health and HP regeneration will help you to siege the enemy base safely.
Once you finish your key items, you start pulling your teammates Aghanim's Scepters. Do not do it before you finish at least three major items.
Inne przedmioty
Make sure you always have enough mana to use Acid Spray effecctively for farming.
Power Treads will help you to farm faster and have enough sustainability to survive ganks.
Boots of Travel will significantly increase your mobility and will provide you the ability to be present in all important fights.
Decent alternative to Blink Dagger, especially if you play against heroes with powerful passive abilities.
Butterfly can work very well if enemy cores do not have Monkey King Bars. This item works quite well in physical damage item build.
This item will not only give you an opportunity to keep your opponents in place, but will also slightly increase your suviveability.
