Cauldron

Cauldrons are large cooking pots often used by witches.

Background
Depending on rumors or which dimension Dahlia exists she is known to use a bubbling cauldron or a fiery oven.

The evil Dame Hagatha also uses a cauldron in her black cave to make her Human stew.

The Three sisters, the Graeae also are known to use a black cauldron for their magic.

The Swamp Witch was cooking some kind of stew inside of her Witch's Tower.

The corrupted archon Lucreto turned the Sacred We into a vile cauldron which he used to create his Children of Darkness, his Henchmen.