Requires the library mod Collective.
This mod is part of The Vanilla Experience.
Crying Portals adds the ability for players to create nether portals with both obsidian and crying obsidian blocks. They can be used combined as well.
A portal made from only crying obsidian blocks:
A portal made from both obsidian and crying obsidian:
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You may freely use this mod in any modpack, as long as the download remains hosted within the CurseForge ecosystem.
Serilum.com contains an overview and more information on all mods available.
Comments are disabled as I'm unable to keep track of all the separate pages on each mod.
For issues, ideas, suggestions or anything else there is the Github repo. Thanks!