Starting the Quest: "Poison in the Roots" in Diablo 4: Season 7
To begin the "Poison in the Roots" quest in Diablo 4: Season 7, which is crucial for Diablo 4 Gold unlocking Witchcraft powers, follow these steps:

1. Meet the Requirements
Before starting the "Poison in the Roots" quest, ensure you've completed the following:

Seasonal Progression: You must be playing Season 7, as this is part of the seasonal content.
Level and Character: Make sure your character is high enough level to begin the seasonal questline. This may vary depending on the game's updates, but typically you'll need to be around level 20 or higher to begin seasonal quests.
2. Access the Tree of Whispers
To initiate the "Poison in the Roots" quest:

Location: Head to the Tree of Whispers in Hawezar, which is the central location for the Witchcraft-themed content of this season. This area is where you’ll begin your first steps toward unlocking the Witchcraft powers.
Where to Go: The Tree of Whispers is marked on your map, and once you arrive, you’ll find key NPCs involved in the ritual.
3. Speak with Gelena
Once you’re at the Tree of Whispers:

Talk to Gelena: Gelena is the Witch NPC who will start the quest for you. She’s central to the questline and will guide you through the initial steps.
Initiate the Ritual: Gelena will inform you about the ritual that’s about to take place. This ritual will be crucial for unlocking the Witchcraft powers of Season 7. She will also explain the need for Occult Gems if you have the proper materials.
4. Prepare for the Ritual
Before the ritual starts:

Craft Occult Gems: If you have the necessary materials, you can craft Occult Gems from Gelena. These gems are required to complete the ritual, so ensure you have the items needed to proceed.
Understand the Ritual Setup: The ritual will involve lighting three braziers in a specific order to trigger the next phase. You’ll also need to defend the ritual circle and deal with waves of enemies as part of the quest.
5. Begin the Ritual
Once you’ve spoken to Gelena and gathered the necessary materials, you can begin the "Poison in the Roots" quest by:

Lighting the Braziers: The first puzzle of the quest is to light the three braziers in the correct order. Listen to the witches' dialogue to find clues for the order to light them.
Defending the Circle: After lighting the last brazier, enemies will spawn, and you’ll need to defend the ritual circle from their attacks.
6. Complete the Ritual
Once you’ve successfully defended the ritual circle from enemy waves, the quest will continue with more stages, including using Nangri Blood and defeating additional waves of enemies. Completing the quest will allow you to unlock Witchcraft Powers.

Summary:
Go to the Tree of Whispers in Hawezar.
Talk to Gelena to start the quest.
Craft Occult Gems if needed.
Light the braziers in the correct order and defend the ritual.
Complete the quest to unlock Witchcraft powers for your character.
By following these steps, you’ll start the "Poison in the Roots" quest and be well on your way to cheap Diablo 4 Gold unlocking the new Witchcraft abilities and progressing through Season 7!