List the power of superheroes with height greater than 80% of the average height of all superheroes.
power of superheroes refers to power_name; height greater than 80% of the average height of all superheroes = height_cm > MULTIPLY(AVG(height_cm), 0.8);
SELECT T3.power_name FROM superhero AS T1 INNER JOIN hero_power AS T2 ON T1.id = T2.hero_id INNER JOIN superpower AS T3 ON T2.power_id = T3.id WHERE T1.height_cm * 100 > ( SELECT AVG(height_cm) FROM superhero ) * 80