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#836 RNG doesn't feel jumpy FIXED
LOW Monsters & NPCs reported by chubby · 5 days ago · updated 5 days ago
I was hunting lupin erasers today and I noticed that they tend to drop in succession.

I could hunt for 3 min without seeing one, and then 2 erasers would pop up from the monkeys.

Could you check if the RNG is working as intended? Now it feels like the RNG is just changing according to some kind of increment. Assuming a range of 0-100,000, I have to build up to 98,000 to trigger the drop, and when they start to drop, they always drop in pairs.

Could also you check whether drop rate x2 from family work on quest items like erasers from mobs?
🍅 ME TOO · 0 Sign in to confirm this bug.
COMMENTS 5 replies
chubby 5 days ago
Would be nice to have a debug option to print the actual numbers generated from RNG.
chubby 5 days ago
May I ask what happens when a scrolled pet equip expires? Do I get to keep the scrolled stats?
chubby 5 days ago
My trade window occasionally doesn't pop up when my trade request is accepted by other players. Had to reload the page.
Mark ADMIN 5 days ago
Thanks for the detailed report, chubby! I checked the monster drop rolls with a million test kills: every kill rolls on its own — nothing builds up, nothing pairs drops. A Lupin Eraser is about a 1-in-25 chance per Lupin. Because the quest only needs one, they stop dropping once one is in your bag, but erasers still lying on the ground don't count yet — so when a few Lupins go down before you pick the first one up, you can get two or three at once. That's where the pairs come from. Family's 2x drop doesn't apply to the erasers right now (they're event drops); whether it should is the owner's call. Pet scroll expiry is answered on #831. For the trade window: we think the 'accepted' message can occasionally get lost on the way, and that one is being looked at. Leaving this open for those two.
Mark ADMIN 5 days ago
Here are the numbers from that test, chubby. We ran 1,000,000 Lupin kills through the real drop roll. An eraser dropped on 3.98% of kills (about 1 in 25). Right after an eraser dropped, the chance of another on the very next kill was 4.05%, the same as any other kill, so nothing builds up and nothing comes in pairs. The average gap between erasers was 25.1 kills, exactly what pure chance predicts, and a 75-kill dry spell happens about 5% of the time, so long streaks without one are just bad luck. The pairs you saw were erasers still lying on the ground: they only stop dropping once one is in your bag.

Two changes are now in from your report: Family's 2x drop, drop coupons and drop buffs now raise your chance at event drops like the Lupin Eraser (with a 2x bonus that's about 1 in 12), and each player rolls at their own bonus. The trade window now opens reliably after the other player accepts, and if a request ever seems stuck, sending a new one replaces it instead of making you wait.

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