By the 'undo' function, players can begin their lane with 5 stacks of TOUCH OF CORRUPTION buff and a full charge potion.
1. Buy Corrupting potion
2. Use all corrupting potion (3 times)
3. Sell the potion & undo
- At this stage, you have 3 stacks of TOUCH OF CORRUPTION buff and a full charge corrupting potion
4. Repeat step 2 & 3
- Now you have 5 stack buff and a full charge potion.
[Video](https://www.youtube.com/watch?v=LLQORB5hNFI) (Korean client)
Many players are exploiting this bug in order to take Lv.1 fight advantage.