Shadow Resist just wasn't shown, now it's shown because we can get Shadow Resist without Universal Resist. We did still resist Shadow with Universal Resist before.
When you have gear that gives universal resist, does it also resist moon damage from spells such as insane bolt and moon wands?
yes having universe and effect any school resist no matter what school is cost even don't have that school resist talent yet it still block it!
I am : I have high resist to and others rest school resist about universe 20% and also 20% resist moon, star, sun, shadow (also work others universe stat as well clued damage, accuracy, critical, critical block & also armor pierce unless "universe"
for example: let say:
more new school in wizard101 and if was these power:
School Of Mental (School Of Quantum- School Of Rage or School Of Spirit School Of Nature (School Of Earth-School Of Light) School Of Gadgets School Of Electricity (School Of Tempest Or School Of Celestial)
20% universe resist (resist every single school one even school not been exist!
But School of Celestial More Combo school (2 spell mix into 1)
Shadow Resist just wasn't shown, now it's shown because we can get Shadow Resist without Universal Resist. We did still resist Shadow with Universal Resist before.
yes they can but have be (damage) to resist it
want to see (test you shadow creature on undying malistaire) in Xibalba (see if would IMMUNE SHADOW MAGIC)
: I have high resist to 
and others rest school resist about universe 20% and also 20% resist moon, star, sun, shadow (also work others universe stat as well clued damage, accuracy, critical, critical block & also armor pierce unless "universe"
shadow creature