Getting the angle of the sword right, and all those intricate runes correct, was very time consuming
If you really want to know more about Paulo, he even summarized the path of his Magic career for you in three parts
Pendulum Effect: Once per turn, if a Normal Monster you control destroys an opponent's monster by battle, after damage calculation: You can add 1 Level 4 or higher Normal Monster from your Deck to your hand
The triggered ability goes on the stack before the spell resolves, and there is free timing before the spell resolves, so if you are triggering this with a combat trick that has an untap effect, don't forget to fire one off before the spell
The Academic Exams now also display more clearly which answer you selected, which one is the correct answer, and which were the remaining options