Anyone find out yet where the new insignia are dropping from? If its suppose to drop from Lost Realms then its even more rare then Codex. Codex are really rare for as many as you need.
You should read these posts after each update.
[News] December 2020 update FAQ
"7. There are several ways to obtain the new Insignias, including exchanging for them in the "Trade Victory Marks" page, buying them in Lost Realm, etc."
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They drop from absolutely nowhere so far. And lv lower than 5 I don't believe even exists. One of the ideas of this new feature is for players to spend their maxed storage of blue crystals and start buying more ress. Before that blue cryst was a guardian of the warehouse lol.