1. Open the Metamask plugin and tap swap
2. Search for "Knot" under "Swap to" and select Karmaverse's Knot token
3. Enter the amount and tap "review swap"
4. Tap "Swap" to confirm the transaction and wait for the Knots to arrive in your wallet
5. After buying enough Knots, go back to the Marketplace. Select the fighter you want to buy. You can buy now at the the price proposed by the seller by clicking “Buy Now” to buy immediately.
7. If you want to bargain, you can click “Make Offer”, enter a price and the offer deadline and click confirm to make a bid. If the seller agrees to your offer, you can proceed with the transaction.