Aside from the ones from book 1 you have:
1) Arcane Apparatus, 50mm
2) Ancient Text, two 30mm counters
3) Bag of Soulstones, two 30mm counters
4) Cache of Tomes, six 30mm counters
5) Drink Up, 1" x 5" or larger terrain feature
6) Pool of Aether, 3" x 3" or larger terrain feature
7) Recalibration Device, 50mm Ht 4
8) Torture Chamber, 3" x 3" or larger terrain feature
These are the main ones however, there are a few more strategy specific (with shared strategies you will need doubles of these):
1) Dynamite counters, five 30mm counters
2) Destroy the Evidence objective counters, three 30mm counters
3) Supply Wagon, 50mm wagon marker