Minecraft wiki entry for Creating_a_challenge_map, associated text: Add 2-4 iron (40%), diamond with sharpness III + Fire Aspect I + Knockback I (30%), or diamond with sharpness V + Fire Aspect II + Knockback II (30%) swords. Add 7-12 golden apples. Add 5-15 diamonds. Add 1-3 netherite ingots 30% chance. Add 5-17 rotten flesh 80% chance. Add 2-3 potion of healing 60% chance. Add 1-3 iron blocks 60% chance. Add 2-3 splash potion of harming 50% chance. Add 1-3 lava buckets 40% chance. Add 12-75 cobblestone 80% chance. Add 1 smithing table if there are netherite ingots. Add 2-4 bows, unenchanted (50%), power III (30%) + Punch II, or power V + Flame + Punch II (20%). Add 2-3 enchanted golden apples 5% chance. Add 2-6 pieces of iron armor with Protection II (50%), diamond armor with Protection II (30%), or diamond armor with Protection IV (25%)