Stokes came in at the end of the fourth over with Canterbury at 37-2, and dominated proceedings from there, anchoring Canterbury's record total of 217-9.
Ben Stokes scored at the rate of almost two a ball, but fell seven short of a century as he returned to form in his latest appearance for Canterbury.
Otago could only muster 83 in response, with the 134-run win doubling as the biggest margin of victory in the history of the domestic Twenty20 competition.
After a spate of batting woe - he was run out after just one ball on Sunday and scored only two the weekend previous - the 26-year-old smashed six fours and seven sixes in his innings.
Stokes walks from the field after being dismissed for 93 in just 47 balls in Christchurch
Stokes struggled in his first three games in New Zealand, averaging 12 with the bat and 144 with the ball.
Coming in at No 4, the Englishman helped steady the ship after Otago picked up two quick wickets in the third over.
Jacob Duffy led Otago's efforts with the ball, taking 5-39.
U.S. to present evidence Iran is providing Houthis with missiles
On Sunday, UN officials said that missiles fired at Saudi Arabia appeared to have a "common origin" according to a confidential report.
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