How do you finish the wizard in Inquisitive Dave

When the voice starts speaking to you in the tower keep going up until it goes to the bit were in shows you a person that traps you then continue. Now continue to go up until you face off with the 'wizard' then press the button at the top right. During this NEVER jump over the wizards side of the wall or you will blow DAVE up After this the wizard will fake dead then keep walking away from the wizard over into the wall on the right side and just keep walking until he starts saying he cant see you and stuff like hes weakening etc.

Then he will die and jump on his cloud
You've won!