Kill Coins

Kill Coins are the primary currency used in Let It Die.

Obtaining Kill Coins
The player can obtain Kill Coins by:
 * Killing Enemies
 * Opening Chests which contain them
 * Raiding other players in Tokyo Death Metro
 * Login Bonuses
 * Completing Quests
 * Selling Weapons, Armor, R&D Resources, Mushrooms, and Beasts at Choku-Funsha
 * Selling Skill Decals at the Mushroom Club
 * Trading Death Metals for Kill Coins at a rate of 1:5000
 * Receiving them as a reward from a Lost Bag, with rates as shown below

Spending Kill Coins
The player can spend Kill Coins on:
 * Weapons and Armor at Choku-Funsha
 * Skill Decals at the Mushroom Club
 * R&D Resources from Gyakufunsha
 * Solo Shelters, Barbmeat, Barbmeat Half Portions, Tryptamine D, other assorted consumables
 * Elevator Use
 * Fighter Retrieval

Decals
There are various decals which affect the drop rate of Kill Coins, though it will only affect those gained through exploring the tower. For a full list of decals and how to obtain them, please refer to the full Skill Decals list.