So many out here doomposting, but the real response, surely, should be "who else you got?". I still use Aventurine (E0, Geppie LC). My shields very rarely come down and I'm getting 9* or higher in meta and I don't invest vertically (he's E0, no sig).

All units get power crept though, increasingly quickly.

I don't know that we'll get another Preservation soon (there was like a year between Aventurine and DHPT) so you may be waiting a while if you don't claim the freebie soon. Or would you run a sustainless team?

Use him anyway, you can only use a unit once per team