The most threatening aspect for them was the several powerful fields equipped on the Eliminators and Harvesters.
Such as the slow field.
The binding field.
The interference field.
Extreme cold and scorching heat and other specific fields could pose a fatal threat to advanced wizards between Rank 4 and below Rank 7.
Moreover, these contraptions could even be immune to mental, soul or curse attacks. With these fields combined with heavy firepower, upon their initial arrival in this world, several great wizards of Rank 7 were caught off guard by the multiple fields, which led to their surrounding and death.
