Included:

all common item cards (4)

all unique item cards (4)
10 spell cards [missing 2]

1 dark pact card (blood pact) [missing 23]

35 arkham location cards [missing 1]

23 gate cards [missing 1]

all mythos cards (22)

all reckoning cards (28)

all herald sheets (1)

15 gate markers [missing 3]

1 power token [missing 34]

Not included:

Box

Instructions (can be found online and downloaded as a pdf)