So, I noticed that Daimao Piccolo, Cell Jr. and Dabura seem to missing a few things.
As written in DBS Chapter 42,
Demons Negate the ability to be Resurrected. At least, Negate the ability to be resurrected by Angels. Eternal Dragons, like Shenron and Super Shenron, are more than capable of doing so. As Demons, Daimao Piccolo and Dabura should gain this. Similarly, Dabura for some reason lacks the Soul Trapping/Banishment ability inherent to all Demons. He should get that as well.
Furthermore, the Cell Jr's on the island that 17 fight are said to potentially be the real deal,
citing their regeneration as the cause of their survival. So I think it should be fine to put "possibly Regeneration (Low-High).
EDIT: Current Votes Added...
Vote Count:
Agree: Rutæhh (Both), LuffyRuffy (Both),
UchihaSlayer (Both),
LordTracer (Agree to both, but apply Res Neg only to Dabura),
LordGriffon (Seemingly, Both), OmegaBronic, (Agrees to both, now),
DDM (Both).
Disagree:
Neutral:
Unsure: NullFlowerBlush and
SamanPatou