Drop Chance Clarification
Posted: Tue Dec 10, 2019 5:20 am
SourceMike Wrote
Droprates work as follows:
For any NPC, there's a list of items that can be dropped (some items can be dropped twice but with different amounts, such as coins). For every entry in this list, there's a certain chance (out of 1000) that it will be dropped on kill. For example, a very rare drop may have a drop chance of 10 (so 10/1000 or 1%).
Whenever the NPC is killed, the server goes over every single entry in the droptable for that NPC and generates a random number between 1 and 1000 (including those 2 numbers). If this number is smaller or equal to the drop chance, the item is dropped with the appropriate amount. In theory, you could kill an NPC and have 10 different items drop in one kill (although this happens very rarely).
If you're wearing a ring of wealth (or have an ex-ex-parrot following you or have one in your inventory), this drop chance is increased by 12%, meaning a 1% drop chance will increase to a 1.12% drop chance, or a 11.2/1000 chance (this is rounded down and becomes 11/1000 or 1.1%).
If there's an event going on, then the drop chances for the NPC('s) involved in the event increase by 20%, so an item with a 1% drop chance now has 1.2% drop chance (12/1000).
If there's an event going on and you wear a RoW/parrot, the drop chance is increased by 20% + 12% = 34%, then a 1% chance becomes a 1.34% chance (13/1000).
The highest extra drop chance anyone could get is during an event, with a RoW/parrot, wearing a whip of fortune and using its spec on the NPC once = 20% + 12% + 14% + 1% = 47%, so a very rare drop of 1% becomes 1.47% or 14/1000. An item with 1.5% chance then becomes 2.205% (or 22/1000) etc.
I was wondering if this is still accurate, Because when this post was made I don't believe there were any Items with a droprate of greater than 1/1000.
Following this logic a dragon war hammer, having a base drop rate of 1/2000 according to the wiki, would have a 0.05% chance to drop each kill. If you use a ring of wealth that drop chance would be 0.05% + 12.0% + 0.17% drop rate. This is over three times as likely and that just doesn't seem plausible.
Another possibility I've considered is making the drop rate 1% before adding ring of wealth bonus, for example:
if 1/2000 = 0.05% Then 20/2000 = 1.00% + 0.12% = 1.12% So if 20/2000 = 1.12% Then 1/2000 = 0.056% Which seems more probable.
Another question does the ROW / Whip of Fortune affect the drop chance on clue caskets, crystal chest, TOB chest etc.
Thank you for your time and dedication to this server that we all love. I hope that the discussion that follows is helpful to my fellow PkHonor players and useful to the community as a whole.
-Banker141