Shipping Request Form

The  is an item in Risk of Rain 2, added in the Survivors of the Void expansion.

When entering a new stage, if any player has this item, a Crashed Multishop "Delivery" will spawn somewhere in the stage (one per player who has a Shipping Request Form). The "delivery" is a burning Multishop Terminal which is different from a normal one in a few ways: it costs no gold to use, it has only 2 choices instead of the usual 3, and one of those 2 choices is a question mark icon (meaning the item of that rarity is unknown).

Math
The weight for each tier of item is calculated as follows:
 * for common
 * for uncommon
 * for legendary

Where  is the amount of Shipping Request Form.

To calculate the chance for a tier, add together all weights then divide that tier's weight by the total sum.

Each item tier is independent of each other, so you can calculate the probability of getting at least one item from a tier. To calculate this, take the complement of the chance that both are that tier:  where   is the probability of getting at least one that tier.

For example, to calculate the probability of getting at least one legendary item with 3 stacks (6% chance of legendary) the equation would be.

Tips

 * Having the allows the player to obtain both items from the delivery, instead of choosing one over another.
 * This is even more effective in multiplayer when multiple players have Shipping Request Forms; the player with the Executive Card can open each of the other players' deliveries for them.

Trivia

 * This item has a very similar effect to the effect prior to the Anniversary Update.

Version History

 * Survivors of the Void
 * (Undocumented) Added New Item: