EliteCabal
Item

Red Diamond

Quest Item · option 3222 · 1×1 slots

Careful: item 460 exists under other options too, and they are different things. Red Tear Crystal (option 342), Red Quartz (option 390), Red QuartzS (option 1118), Sealed Core with Mysterious Power (option 1252)

Best place to farm

Zombie in Bloody Ice

A mission item, rolled for this species independently on each kill.

80% almost every kill
Show these spawns on the map

Drops · 1 source

Rates are what you experience: the server's drop multiplier is 1x.

From Where Rate
Zombie level 12 · 280 HP Bloody Ice level 1-60 mission 80% almost every kill