Combine fully allocated Crucible Passive Skill Trees to result in any four of the following outcomes.
Primeval Remnant Contains a Forge that can Combine Crucible Passive Skill Trees.
Primordial Remnant Contains a Forge that can Combine Crucible Passive Skill Trees, including on Unique and Corrupted Items
3.21.1 Patch Notes: Updated the Ever-Extending Evolution challenge to have "Crucible Passive Skill Tree with at least 11 Skills" as an outcome that awards credit (previously 13 skills).
3.21.1 Patch Notes: The Ever-Extending Evolution challenge now considers a Crucible Passive Skill Tree to be "fully allocated" if the allocation path reaches an end.