Newbie here, roped some friends into playing but I'm solo playing on my HUney. Anyway when she hit level 20 I decided it was time to nab myself a Musashi and went to ham on Forest speedruns. ~25-ish runs later and I got:
3 Booma claws
2 DB sabers
2 Flowen Swords
1 Inferno Bazooka
1 Club of...
Nidra has Invul on PB100 and Invul(+) on Boss, as opposed to Satl having Invul(-)/Invul.
Soniti only requires a lvl 100+ third evo mag and has regular Invul across the board, so slightly better invul at 100PB and has better min/max stat potential