give @s[advancements={blazeandcave:challenges/ad_astra=true}] minecraft:elytra[minecraft:enchantments={"minecraft:unbreaking":3}] 1
tellraw @s[advancements={blazeandcave:challenges/ad_astra=true}] {"color":"green","text":" +1 ","extra":[{"translate":"enchantment.minecraft.unbreaking"},{"text":" "},{"translate":"enchantment.level.3"},{"text":" "},{"translate":"item.minecraft.elytra"}]}
