In Generation 9 (S/V), the only way to teach Dieno Dark Pulse is through TM094. This can be obtained through the following methods:
South Province (Area Six) (southeast, in ruins)
North Province (Area Two) (center, southeast of Fury Falls)
Glaseado Mountain (northwest, east of waterfall)
TM Machine: 8,000 LP, 3 Zorua Fur, 3 Impidimp Hair, 3 Spiritomb Fragment
In Generation 8 (Sw/Sh), the only way to teach Dieno Dark Pulse is through TR58. This can be obtained through the Watt Trader for 3000W.
In Generation 6-7 (XY, ORAS, SM, and USUM), there are two ways to teach Dieno Dark Pulse:
- The breeding method mentioned below
- Using TM097, which can be found on Route 15 (Brun Way)
In Generation 5 (BW and BW2), the only way to teach Dieno Dark Pulse is through breeding. Compatible parents can be found here.
Source: Dieno-Moves Learned—Pokémon Database
Hope I helped!
