1.Stats: Should Nidoqueen get a stat boost, Evolution, Mega Evolution or nothing?
+35 BST can be granted.
Nidoqueen can get a side evolution.
Nidoqueen should get a Mega.
2.Should Nidoqueen get more abilities?
Sand Force and Cute Charm can be granted. Defiant, Competitive, Sand Rush, Poison Touch, Moxie, Intimidate, Queenly Majesty are options.
3.Should Nidoqueen get more moves?
Slack Off can be granted. Psychic Fangs, Inferno, Fire Spin, Flame Burst, Aurora Beam, Nasty Plot, Swords Dance, Agility, Bulk Up, and other status moves like Entrainment can be granted.
4.What additional typing Nidoqueen can have?
Ground, Fighting, Normal can be granted.