From H2P Shadow theory crafting forums. Amplification trinkets They are based on ilvl / item budget for an ilvl. Assuming there isn't any strangeness that occurs with item upgrades, here's a table of the values: Type ilvl budget Amp% Challenge Modes 463 1710 3.0267 LFR 0/2 528 3134 5.54718 LFR 1/2 ...