2. Create an Action pool of dice
a. The Action indicates which stat to roll under the free effect. Gather Action dice equal to the Survivor’s characteristic indicated (Attack, Interact, Coordinate). For example, if a Survivor has Coordinate: 2 on their Survivor Sheet, they roll a base of 2 Action dice if their chosen Action says to roll Coordinate dice.
b. Add 1 Stress die to the pool for each Stress token on their Survivor Sheet.
c. Add 1 Stress die to the pool if there is at least 1 Walker (ready or knocked down) in the Survivor’s Area
Not seeing a cap on number of dice rolled in the rules, but you can watch the gameplay videos on the home page to get a better idea of how the dice are used.