[2022] Random Thoughts from Deep R'lyeh: So what does it take to grind 72,000 BXP anyway?

Average Base XP earned is shown in your Profile. The number recorded is AFTER Premium Time is factored. If you constantly/always run Premium Time, assume the number is too high (ie: divide by 1.65)

Given the picture below and my always having Premium Time. 654.89 / 1.65 = 396 Base XP Average in Co-Op.

You are correct. I'll fix the math on my post: