Tier 1:
Density - Increase iron sand jutsu damage by 5/10/15/20/25%.
Inner Blood - Health is increased by 5/10/15%.
Toxicity - Increase poison damage by 20/40/60/80/100%.
Tier 2:
Ashes to Shards - Scattered Showers turns into shards, dealing 15/30/45% ninjutsu power damage.
Critical Toxin - Poison can critically strike for 50% extra damage. Increase critical strike chance by 5/10/15% and poison critical strike chance by another 10/20/30%.
Flow - Your cooldowns are lowered by 3/6/9/12/15% and your handseal speed is increased by 0.3/0.6/0.9/1.2/1.5 second.
Tier 3:
Neurotic Dampening - Enemies are heavily slowed for 1/2/3 seconds after the initial stun from Toxic Shock.
Chakra Flow - +50/100/150% chakra regeneration.
Iron Blood - While using Iron Rain, increase defense by 10/20/30/40% and regenerate 0.5/1/1.5/2% of your missing health per second.
Tier 4
Alchemist - Increase length of Golden Sand by 1.5/3/4.5/6 seconds.
Blood to Metal - While using Iron Sand Rain, use 1% of your current health per second to deal 150/200/250% of that damage to the enemy.
Anti-Antidote - Reduce the cooldown on Toxic Shock by 10/20/30%.
Tier 5
Skull Crusher - Iron Sand Cluster and Iron Sand Gathering slows the enemy for 1/2/3 seconds and deal 5/10/15% more damage.
Numbness - Your toxic shock prevents enemies from using substitution and lightning flash for 2/4/6 seconds.
Aegis - You gain 10/20/30% defense while using golden sand.
Tier 6
Corruption - Every 40/25/10 seconds, your next poison applying jutsu instantly applies 5 stacks of poison and your chakra regeneration is increased by 10 per seconds for 10 seconds.
Grand Unleash - Your iron sand unleash deals 10/20/30% more damage and has 33/66/100% less charging time. The slow magnitude is also increased.
Tremor - Everyone within 3/5/7 tiles of the impact of your iron sand cluster will get stunned for 1.2 second.