Im having trouble calculating double damage in POB

Venom Gyre

[3.20] Tornado Shot Build | Deadeye | Forbidden Sanctum | Path of Exile 3.20

Tornado Shot

[3.23] Tornado Shot Build | Deadeye | Affliction | Path of Exile 3.23

Tornado Shot

How to improve this Venom Gyre build?

Vaal Venom Gyre

[3.19] Venom Gyre Build | Deadeye | Lake of Kalandra | Path of Exile 3.19

Venom Gyre

[3.20] Venom Gyre Build | Deadeye | Forbidden Sanctum | Path of Exile 3.20

Venom Gyre

Deadeye - 1200 Dex Stacking Spectral Throw | Below 1 Divine Orb | League Start | Path of Exile 3.19

Spectral Throw

[Path of Exile 3.18] Spectral Throw | Dex Stack | 168M DPS | 100% Delirius T16 Map

Spectral Throw

Spectral Throw - Dex Stacking - The Feared 299% Quant in 6 Seconds

Spectral Throw - Ubers Searing Exarch and Eater of Worlds in 2 Sec