Rainbow Portal will replace blue portals with rainbow colors.
Extension will do the same but also work with cities portals and Epic portals.
https://drive.google.com/open?id=1E_...997p3Lick4-DP1
Unzip to resources_override.
Nexus:
https://www.nexusmods.com/istaria/mods/19
https://www.nexusmods.com/istaria/mods/20
other on Nexus:
https://www.nexusmods.com/istaria/us...tab=user+files
Thanks for visiting!