Dungeon Master Basics
From Sword Coast Legends Wiki
Currently the game is under development and features may change.
Here is a post by [NS]Ash relating to what DMs can do with NPCs.
•You can change the colors of existing monsters in the game. •If you want a green rat for example, you can do that. •You can change the abilities, stats and levels of the monsters that exist in the game. •If you want a green rat with incredibly high intelligence named "Beaker" , you can do that. •You can also make Beaker the rat have any of the abilities in the game (including spells).. and you can pick multiple abilities/spells. •You can control Beaker the rat and use his abilities against players. •You can save Beaker the rat for use in any of your future campaigns. •You can make Beaker the rat an ally of the players. •You can control Beaker the rat as a friendly NPC who joins them on their quest.