Potion making. The Alchemist is proficient with Alchemist's supplies as well as the Herbalism, Poisoners, and Medicine kit  

Spellcasting. The Alchemist is a 1st-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 12, +4 to hit with spell attacks). It has the following wizard spells prepared:

Cantrips (at will): acid splash, mage hand, mending

1st level (3 slots): detect magic, disguise self, sleep

Alchemy potion (2/day). As a bonus action the Alchemist can consume or administer a potion, the effect of the potion lasts for 1 hour or until the Alchemist consumes another potion, the potion can have one of the following effects.

• Adding proficiency to all saving throws (STR +2, DEX+3, CON +5, INT +4, WIS +3, CHA +2)
• Resistance to either Acid, Fire, Lighting or poison damage
• Extra 20ft movement speed. 
• Immunity to being Charmed. 

Poisoned Blade. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6+1) slashing damage and the target must make a DC 12 constitution saving throw or be poisoned for 1 minute. 

Hurl Vile. The Alchemist can hurl one of the following vile options:

Acid Vile. Ranged Weapon Attack: +3 to hit, range 20ft, one target. Hit: 5(1d8+1) acid damage. 

Alchemist fire. Ranged Weapon Attack: +3 to hit, range 20ft, one target. On a hit, the target takes (1d4) fire damage on the start of its turn. the creature can end this damage on its self by using its action to make a DC 10 dexterity check to extinguish the flames.