Apprentice's Spellbook
Who's that Monster?
Potent Potables
RAW
Edition
100
In Harry Potter's World, this 2nd level spell would be known as Alohomora.
What is Knock?
100
One of the few friendly creatures floating in the Underdark. 
What is a Flumph?
100
Drinking this potion's yellow fluid, streaked with black and swirls on its own, grants its imbiber with doubled speed, a +2 bonus to AC, advantage on Dexterity saving throws, and it gains an additional action on each of its turns.
What is a Potion of Speed?
100
The base movement speed of Dwarves.
What is 25 ft?
100
4th edition introduced the Condition that denoted creatures were at half health or less.
What is the Bloodied Condition?
200
When you cast this spell, you can speak the true name of a specific creature. A portal opens in the named creature's immediate vicinity and draws the creature through it. Scanlan famously used it to summon Yenk the Goristro.
What is Gate?
200
The most powerful of the angels in the Monster Manual.
What is a Solar? 
200
This potion changes the imbiber's Strength score changes to 25 for 1 hour. This potion's transparent liquid has floating in it a sliver of fingernail.
What is a Potion of Fire Giant Strength?
200
The type of armor that reduces any critical strike against you into a normal hit.
What is Adamantine Armor?
200
1st Edition D&D had this class as part of its base classes.
What is the Fighting man?
300
The spell that used to instantly kill wildshaped druids or Polymorphed creatures and was later errata'd to clarify that interaction.
What is Disintegrate?
300
This creature is birthed by night hags and when it expires, it leaves behind only tarry goo and wisps of shadow. 
What is a Banderhobb?
300
For 1 minute after you drink this potion, you have resistance to all damage. The potion's syrupy liquid looks like liquefied iron.
What is the Potion of Invulnerability?
300
The background that provides the Bad Reputation Feature.
What is Pirate?
300
D&D 4th edition featured this playable race, a crystalline sentient fragments of the Living Gate.
What is the Shardmind?
400
The material components for this spell require a tiny silver whistle, a piece of bone, and a thread.
What is Faithful Hound?
400
This creature comes into being when a Beholder dreams of losing blood. 
What is a Death Kiss?
400
The first time you cast a damage-dealing spell of 4th level or lower within 1 minute after drinking this potion, instead of rolling dice to determine the damage dealt, you can instead use the highest number possible for each die.
This glowing purple liquid smells of sugar and plum, but it has a muddy taste.
What is the Potion of Maximum Power?
400
Daily Double!
The cargo capacity of the Longship, introduced in Ghost of Saltmarsh.
400
The winning campaign setting by Keith Baker that was originally released in 3.5 D&D as a result of the Fantasy Setting Search in 2002 by WotC.
What is Eberron?
500
This is what destroys the Orange layer of the Primsmatic Wall spell.
What is a Strong Wind?
500
Daily Double!
All of these creatures are the degenerate offspring of an entity named Raxivort, who was an ancient treasurer of Graz’zt.
500
When you drink this potion, it removes any exhaustion you are suffering and cures any disease or poison affecting you. For the next 24 hours, you regain the maximum number of hit points for any Hit Die you spend. The potion's crimson liquid regularly pulses with dull light, calling to mind a heartbeat.
What is the Potion of Vitality?
500
This card drawn from the Deck of Illusions summons a Night Hag.
What is the Queen of Diamonds?
500
In AD&D, this is the school of magic opposed to Necromancy.
What is Illusion?