Sharp-toothed Sharkrai!

Imperfect kraken, Monju!

Venomous Skeld!

These three guardians protected Moss Cave. They were a shark, octopus, and sea snake respectively!

'I'm adding a monster to the mix!' 

Kang Oh picked a Gnuha, a monster that inhabited Moss Cave. A Gnuha resembled a seal, but it was one-eyed and had a horn on its forehead. It could live on land or sea.

[Adding a Gnuha guardian requires 1,000 gold or 100 repel points. Would you like to proceed?]

"I'm using gold."

He only had about 200 repel points left. However, he needed to use these points someplace else, so he decided to use gold instead.

[You have spent 1,000 gold.]

[Adding a Gnuha guardian.]

[The Gnuha has evolved into Lightning Horn Nuhakan.]

A Gnuha that could discharge lightning, huh... It'd be sure to give quite the electrifying feeling to anyone who goes into the water unaware of it.

Next, Kang Oh picked a Milok, a monster which closely resembled a catfish. 

[Adding a Milok guardian requires 1,500 gold or 150 repel points. Would you like to proceed?]

"Ahem, pay with gold!"

[You have spent 1,500 gold.]

[You have added a Milok guardian.]

[The...