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• I'm running the latest version of Path of Building and I've verified this by checking the changelog

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• I've checked for duplicate open and closed issues by using the search function of the issue tracker

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• I've checked that the calculation is supposed to be supported. If it isn't please open a feature request instead (Red text is a feature request).

What platform are you running Path of Building on?

Windows

What is the value from the calculation in-game?

In game, Poisonous Concoction of Bouncing projectiles chains for 13 times without the Runegraft of Refraction allocated, and 4 times with it.

What is the value from the calculation in Path of Building?

In Path of Building, Max Chain Count for Poisonous Concoction of Bouncing is 13 without the Runegraft of Refraction allocated, and 14 with it.

How to reproduce the issue

1. Poisonous Concoction of Bouncing the main skill.
2. Add Greater Volley Support or Greater Multiple Projectiles Support.
3. Allocate Runegraft of Refraction on passive tree.
4. Compare 'Projectile Chains # Times' in game stat to POB's Max Chain Count stat.

PoB for PoE1 build code

https://maxroll.gg/poe/pob/rc9sx0ab

Screenshots