Mod:Primal Fear/Spirit Guardian

The Spirit Guardian is a tier 4 boss.

He looks like a bigger Spirit Wyvern with the same attacks (bite, light breath and fragmenting light sphere)

He's protected by a flock of Light Griffins

Drops
Drops nothing.

Unlocks the Spirit Orb engram to tame Spirit Dinos.

On death a tame-able Spirit Wyvern spawns, get your Origin Tranq Arrows ready !

Strategies
Use a Celestial Argentavis X attack

Make a giant metal cage (40 high) or trap it in a high ceiling (so that it doesn't get stuck above the ceiling) cave or tunnel to prevent it from moving too much and fight using a powered-up Celestial Indom Emperor breath attack