As Seen In: Arcane (League of Legends)
Gotta Catch 'em All (Pokemon)
Crossover! (DOUBLE POINTS!)
Horsing Around (Animals)
Bending the Rules (Avatar: The Last Airbender)
100

In the real world, this many years elapsed between the release of Season 1 and 2 of Arcane

What is three?

100

This type deals no damage to Ground type Pokemon

What is Electric?

100

Azula and Pikachu have this ability in common

What is lightning? (Lightning summoning, using lightning, etc.)

100

This unit for the power output of an engine is based on the pulling power of a horse

What is horsepower?

100

Last, not not least: this element is the last to be mentioned in the opening narration

What is air?

200

With a name that sounds like fine cinema, this character is the brother of Mel Medarda

Who is Kino Medarda?

200

This is the first Pokemon species Ash catches in the anime

What is Caterpie?

200

Zuko from Avatar: The Last Airbender rides one of these horse-like animals in the episode Zuko Alone, though its unclear if it lays eggs

What is an ostrich horse?

200

In the Polish-Lithuanian commonwealth, selling a hussar horse to a foreign national was punishable by this

What is death/execution?

200

Of the four elements, this is the only one which was not originally learned from an animal

What is water?

300

This aquatically-named weapon blows up the Piltover Council Building, along with most of the council inside it

What is Fishbones?

300

This Pokemon holds the highest total base stats of any Pokemon

Who is Arceus?

300

This Pokemon and its evolutions are the only horse-themed Pokemon in Generation I, and in fact the only horse-themed Pokemon until Generation V

What is Ponyta? (Alternatively, what is Rapidash?)

300

Fill in the blank in this quote from the Shakespeare play Richard III: "A horse, a horse, my ___ for a horse!"

What is kingdom?

300

Of all the main heroes, this is the only one to never meet Ozai on-screen

Who is Katara?

400

This character got the kill gold for Ambessa

Who is LeBlanc?

400

Satoshi Tajiri created Pokemon based on his childhood hobby of collecting these

What are insects?

400

Toph from Avatar: The Last Airbender is kind of like these two League of Legends champions put together

Who are Lee Sin and Taliyah?

(There are lots of potential answers here.)

400

Bucephalus was the legendary warhorse of this Hellenic figure

Who is Alexander the Great?

400

This character was portrayed by Jackson Rathbone in the 2010 live-action Avatar movie, for which Rathbone earned a Golden Raspberry for Worst Supporting Actor

Who is Sokka?

500
Ekko can only rewind time this many seconds without disastrous results

What is four?

500

This magical company was the original publisher of the Pokemon trading card game in North America

What is Wizards of the Coast?

500

It's name sounds a bit like a wedding event, but Rell should probably invest in one of these to keep her iron construct under control

What is a bridle?
500

"Big Red" was the nickname of this famous race horse who not only won the Triple Crown, but still holds the record for fastest finish in all three races 

Who is Secretariat?

500

This character's name was changed to Tamara in the Greek dub, since their original name means "curse" in Greek

Who is Katara?