Slayer level

Slayer level is the player's Slayer skill level required to be able to kill a monster.

This is noted in a monster's infobox in the article. Example: Blue dragon.

If the monster doesn't require any Slayer level and cannot be a slayer assignment, set this to "No".

If the monster doesn't require any Slayer level and can be a slayer assignment, set this to "1".