Question

Description acceptable. One location that would allow one to perform this action is defended by a large, blue-skinned man with red spectacles known only as The Guardian, who duels anyone who (15[1])wishes to enter. (15[1])Another location (15[1])that allows this action is contained in the Pool of Convergence, where it is protected by Master Ning and his lizard monks. Over a fifty-year period, every location that could perform this action was destroyed by an evil demon, though he (-5[1])and his seven daughters (-5[1])could still perform this action. A warrior who wished to perform this action attempted to get his wish (15[1])granted at the Well of King Ozric, which is defended by three blind (*) archers atop a tower. On the verge of defeat, the evil sorcerer Aku escaped death by forcing (10[1])his recurring opponent to undergo (10[2])this action at the end of their first battle. For 10 (10[1])points, (10[1])identify this action that Samurai Jack wishes to undergo in order to undo Aku’s evil plans. (10[1])■END■ (10[1]0[2])

ANSWER: time travel [accept equivalents or specific answers like traveling to the past or future]
<TV (animated) | Samurai Jack | PX>
= Average correct buzz position