Talk:Rubico Prime/@comment-70.48.173.108-20180926014401/@comment-2605:6000:1020:43B:0:BDDC:9333:7862-20180926160547

Meso R1 drops on Defense Tier *2* Rotation A, not Tier 1! For Tier 1 it drops on both Rotation B and C with an ~8.3% chance.