Magma mutagen

Magma mutagen
Examine							Triggers mutation in a serpentine helm.
Properties
Tradeable							Yes
Equipable							No
Stackable							No
Noteable							No
Options							Drop
Values
Value							9,500 coins
High alch							5,700 coins
Low alch							3,800 coins
Weight							0.05 kg
Advanced data
Item ID							13201

A magma mutagen is an untradeable item dropped by Zulrah. It allows a player to cosmetically recolour their serpentine helm to a magma helm. The mutagen is consumed upon use.

Item sources

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Drop rate

The drop rate for this item is calculated from three different rolls: the chance of missing the unique drop table (255/256), the chance of rolling Zulrah's flax table (10/248) and the chance of rolling the mutagen table (20/5,264). Both mutagens are equally likely.

Thus, multiplying these three fractions will result in ~1/6,553, which is the chance of either mutagen per roll, or a ~1/13,106 chance for a specific mutagen. However, since Zulrah gives two rolls to its drop table per kill, the chances are roughly doubled, giving a ~1/3,277 chance for any mutagen or a ~1/6,553 chance for a specific mutagen.