# Pyresh's Formula IV

**Quest No Raw**: 293155
**Chronicle (questGroupNo)**: 31011
**Entry (questId)**: 4

## Objective

Found a trace of Pyresh. Let's solve Pyresh's Formula written on it.

_Solve the secret formula left behind by Pyresh and type it in the chat window;_

## Summary

The riddle-like numbers here
stand for dates of the calendar.
The number of days between
February 1 and January 21 are 11!
You feel your head's about to burst with pain,
but you've solved Pyresh's Formula.

## Quest Giver

- [Trace of Pyresh](/npc/59172.md)

## Turn-in

- [Trace of Pyresh](/npc/59172.md)

## Other Errands in This Chronicle

9 further errands share this chronicle:

- Entry #1 — [Pyresh's Formula I](/legacy-quest/96547.md)
- Entry #2 — [Pyresh's Formula II](/legacy-quest/162083.md)
- Entry #3 — [Pyresh's Formula III](/legacy-quest/227619.md)
- Entry #5 — [Pyresh's Formula V](/legacy-quest/358691.md)
- Entry #6 — [Pyresh's Formula VI](/legacy-quest/424227.md)
- Entry #7 — [Pyresh's Formula VII](/legacy-quest/489763.md)
- Entry #8 — [Pyresh's Formula VIII](/legacy-quest/555299.md)
- Entry #9 — [Pyresh's Formula IX](/legacy-quest/620835.md)
- Entry #10 — [Pyresh's Formula X](/legacy-quest/686371.md)