With the RMCs having only a short window of being in the game, it's best to have a plan of action to help understand how long it would take a player to get the keys to open a RMC. The breakdown below is for all 3 membership types and does not include the Fragments or Keys you already have or the bonus Fragments that drop within the the Time Capsules themselves. This gives a day by day account of how many Stabilizer Keys you can earn before it goes away.