The alchemist is based on the Warcraft 3 Alchemist as well as Alchemists in wow and has 3 specs a healing spec, a range dps, and a melee dps spec.
https://wow.gamepedia.com/Alchemist_(Warcraft_III)
https://wow.gamepedia.com/Alchemist
Imbiber- Melee Dps spec. Based off the Warcraft 3 Goblin Alchemists Ogre slave as well as Dire Trolls.
In this spec each race transforms into a Dire version of itself and has a unique game mechanic: Potion drinking.
Potion Drinking is a system where you can drink up to 2 potions at a time to add effects or even change your skills. If you attempt to drink more than two you vomit, the potions are cleared and you are prevented from consuming anymore for a short time. You can remove your active potions at anytime by burping/puking.
Skill ideas-
Burp-Clears the oldest potion consumed. Hit again to puke up both potions damaging enemies in front of you and debuffing them.
Chemical Rage- Attack and movement speed buff.
Backhand — Hits the target, inflicting Physical damage and knocking the target back.
Bellowing Roar - Let loose a bellowing roar, inflicting Shadow damage to enemies within 15 yds and causing them to tremble in fear for 3.5 sec
Furious Charge - The caster charges forward, trampling all enemies in a line in front of them inflicting Physical damage and knocking the target prone, incapacitating them for 1 sec.
Severing Strikes — Inflicts Physical damage to enemies in a cone in front of the caster.
Wallop — Slams the target with massive fists, inflicting Physical damage, knocking them into the air.
Rejuvenating Serum- The caster drinks a frothing potion that heals the caster over time.
Toxic Potion- The caster drinks a toxic potion that causes their abilities to strip armor off of enemies and poison them.
Volatile flame Potion- The caster drinks a fiery potion that adds a dot burn to their abilities.
Freezing Potion- The caster drinks a chilly potion that adds a slow to their abilities.
Potion Doc- Heals.
Skill ideas-
Noxious Tincture- Flings a toxic potion at an enemy inflicting Nature damage.
Remedy- Aoe that removes diseases in an area and
Healing Spray- Sprays waves of healing mist that heals units in a target area.
Rejuvenating Serum- The caster drinks a frothing potion that heals the caster over time.
Transmute- Turn a target to gold stunning it temporarily.
Acid Bomb- Hurls a flask of acid at a target. The flask breaks on impact, splashing a powerful acid on near by hostile units, decreases armor. Deals slightly less gamage over time to nearby targets.
Irresistible Cologne - Place an irresistible cologne on friendly target increasing their threat and damaging hostile units within x yards of them.
Madcap- Range dps. An alchemist who fights by tossing potions.
Acid Bomb- Hurls a flask of acid at a target. The flask breaks on impact, splashing a powerful acid on near by hostile units, decreases armor. Deals slightly less gamage over time to nearby targets.
Noxious Tincture- Flings a toxic potion at an enemy inflicting Nature damage.
Rejuvenating Serum- The caster drinks a frothing potion that heals the caster over time.
Serum - Poison erupts from the target's skin, creating puddles that inflict Nature damage over time.
Blistering Vapors - Creates a pool of noxious vapors that lasts until cancelled
Conjure Frost Mixture - summon a frosty mixture and breaks it on the ground. The chemicals immediately deal Frost damage to all nearby enemies within X yards and slow them.
Oozeling Concoction - create an oozeling companion to aid you in combat. Can use skills like:
Ooze Cap — Attaches to the targets head, dealing damage and attempting to take over their brain temporarily.
Vile Sludge - Sludge drips off of the creature, creating pools at random destinations that inflict Nature damage every 1 sec to enemies near them.