Final answer:
The question pertains to a video game item, Mutant Spider Quad Shot, which allows characters to shoot four tears at once but with a higher tear delay.
Step-by-step explanation:
The subject in question relates to the effect of a special item called Mutant Spider Quad Shot in a video game. The item allows players' characters to shoot four tears at once, which is commonly referred to as Quad Shot, but also significantly increases the tear delay, making the character shoot less frequently. The formula given in parentheses likely represents how the tear delay stat is calculated after obtaining the item, with 2.1 being the base delay factor and 3 being the added delay from the item itself.