4 levels of NFT for guns:
Level 1 shoots 10000 bullets of shooting strength
Level 2 shoots 100 000 bullets, higher power
Level 3 shoot 1000 000 bullets, higher power, high accuracy
Level 4 (legend) shoots 5 000 000 bullets, powerful and accurate
Every level has 10 different features
The system has 40 types of guns
🚅Normal guns mintable: 1,000,000 items
🔫Rare guns mintable: 100,000 items
🔆Epic gun mintable: 1000 items
⚔️Legend gun mintable: 10 items
