Materials held synergies

These count the materials you are holding, so saving instead of spending raises them and buying lowers them.

Effects that reward it Scanned from game-file effects

Padding item+1 Max HP for every 80 Materials you have
Piggy Bank item+20% of your materials at the start of waves (stops working at wave 20)

Characters

Demon50% of your Materials are converted into Max HP at the end of a wave (13 Materials = 1 Max HP)
Entrepreneur-100% of your materials at the start of waves
Saver+1% Damage for every 25 Materials you have
Streamer+3% of your materials (+25 max) per second while standing still

Rule source

Members were found by matching their effect text; the rule restates what those effects say. Effects come from the game-file tables with the 12 November 2026 patch.

Reviewed 12 November 2026. PC 1.2.