/** * Modify AE2 crystal certus mechanic to use GT items */ ServerEvents.blockLootTables(event => { event.addSimpleBlock("ae2:quartz_cluster", "4x gtceu:certus_quartz_gem") // To drop a different item }) LootJS.modifiers((event) => { event.addBlockLootModifier(/ae2:.*quartz_bud/) .replaceLoot("ae2:certus_quartz_dust", "gtceu:certus_quartz_dust") })