Weak Ki Attacks:
Ki Blast - P.L - 500, 8 dp, 2 days 

Energy beam - P.L -2,500, 10 dp, 3 days, 
Makoho - P.L -3,500, 10 dp, 3 days, 
Dodonpa - P.L -3,500, 10 dp, 3 days, 
Kamehameha - P.L -3,500, 15 dp, 3 days, 
Masenko - P.L -4,000, 15 dp, 3 days, 
Bakuhatsu - P.L - 6,000, 16 dp to all enemies, 4 days 
Flaming Head butt - P.L - 6,000, 16 dp, 4 days, 
Rapid Fire - P.L - 6,000, 16 dp. 4 days to learn, 
Eye Beam- P.L - 6,000, 16 dp. 4 days to learn (androids and changelings only) 
Special Beam Cannon - P.L - 12,500, 18 days to learn, 20 dp. (Nameks only) 
Chou-Kamehameha - P.L - 12,500, 5 days to learn, 20 dp. (need to know kamehameha) 
Super Energy Beam - P.L - 14,000, 5 days to learn, 20 dp. 
Super Dodonpa - P.L - 14,500, 5 days to learn, 24 dp (need to know Dodonpa) 
Chou-Masenko - P.L - 15,000, 5 days to learn, 30 dp. (need to know Masenko) 
Burning Attack - P.L - 15,000, 5 days to learn, 30 dp. 
Galic Gun - P.L - 17,500, 5 days to learn, 35 dp. 
Kienzan - P.L - 17,500, 5 days to learn, 35 dp. 
Fire Beam - P.L - 18,000 5 days to learn, 40 dp. 
Syogekiha - P.L - 20,000 6 days to learn, 40 dp. 
Mega Blast - P.L - 22,500 6 days to learn, 45 dp. 
Final Flash - P.L - 25,000 6 days to learn, 50 dp. 
Kakusan-ha - P.L - 25,000 6 days to learn, 50 dp. (to all enemies)

(note: the ki is directly related to the dp. if its 6 dp, then it uses 6 ki. if its 20 dp then its 20 ki... so everything is directly related)