mc_rebalance_datapack/data/minecraft/recipes/spectral_arrow_alt_singular.json

{
	"type": "minecraft:crafting_shapeless",
	"ingredients": [
		{"item": "minecraft:arrow"},
		{"item": "minecraft:glow_berries"}
	],
	"result": {
		"item": "minecraft:spectral_arrow",
		"count": 1
	}
}