The update fixed it for me...for the most part. Still a slight lag at the end of constuction, or before starting destruction of a piece, but much better.
If I had to choose, I would say adult given how long it was but I am no expert on these things. I do know there are supposed to be two adult ghost leviathans in the Grand Reef, which is probably the closest biome to my location to have those things…
I did not lure it, nor did I use console commands. Have never used console commands. I had just set up a small base in that area for scanning and material gathering, and was out gathering Quartz, when I heard the "scream" of a Leviathan. I even y…
Having the same issue on PC here. Lag gets longer the larger the base is. Running about 10-12 seconds right now with any component change, and one huge lag that caused a crash to desktop.