Elemental Mastery
Elemental Mastery will be based on the users uses of the element
Katon already is a perfect example of this
Suiton Suikoudan can amass more sharks
Fuuton Renkuudan can become a much larger blast and actually knock back the targets
and so on.
Elemental Fusions
Elemental fusions will require you to have mastered both the required elements.
Mokuton rarity
Mokuton suiton fused with doton can create mokuton release.
the requirement is to obtain a senju dna transplant (the user will get lesser versions of the mokuton as they are not a true senju)
Lava Release:
Katon and Doton fused makes laval release
Flower Fruit Mountain
User creates a volcanoe massive damage and shield breaker
3x nin damage
Storm Release:
Suiton fused with Raiton
Laser Circus
User blinds the foe for a long duration of time gen based
Magnet Release
Fuuton fused with Doton
Iron sand
spawns iron sand around the user
Iron Sand Drizzle
fires projectile iron sand at target
1.4x damage
Iron Sand Spear
User creates a spear like projectile that does massive damage
2.5x nin damage
Gold dust
Gold Dust Tsunami
spawns a giant wave of gold dust leaving the enemy stunned
1.4 x damage
Gold Dust Pyramid
must have target enveloped in gold dust tsunami
user is trapped and buried in a pyramid
Gold Crush
User crushes the target when it is stunned in gold dust tsunami
To Be Continued