With little nightmares mod you can add easily add all monsters to your world.
But better be wary because these monsters are not friendly!

Time to go, to unknown places in little nightmare, called The Maw, Well good news to all Little Nightmares players! Say hello to the brand new app free mod little nightmares for MCPE.

With this little surprise Little Nightmares - 2 and Little Nightmares GUI in MCPE!.
In this new Minecraft mods launcher you will find 2 free minecraft modpack and addons of little nightmare, mods and map little nightmare location survival maps and skins to your craft mcpe games

Disclaimer
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This is an unofficial application for Minecraft. This application is in no way affiliated with Mojang AB. The name Minecraft, the Minecraft brand and Minecraft assets are the property of Mojang AB or their respected owner. All rights reserved. According to http://account.mojang.com/documents/brand_guidelines This app is a fan app.