I've noticed this on pvp for the last few events, only tends to happen when you're hitting someone smaller though
BFA from allies also makes a big difference. I found that max plunder for pvp was different when I brought more. When it fluctuates to a low amount simply refresh kaw n try again
Actually this is really weird, the second time when he got 900 bil he got 7 more items and approx. 7 mil more plunder, but he was hitting an oaf, so it's not possible that the oaf had more gold out than he needs. So normally your drops will increase when you have less troops because your attack strength is lower, but your plunder goes down when your drop rate goes up. So MP can not be the problem, neither can plunder spells or amount of troops remaining or all of those combined. So knowing that these are not the reasons, what are?