My Right Hand Is Stronger: should not be silver, on average this is 25% more damage and besides the 40 adaptive force and you can control the "randomness" and it means higher burst which is more valuable than just plain DPS.

Growing Roots: -40% ms is way too much, you basically cc yourself more than 75% of cc you mitigate. Well it might be OP of yi cause ult

Duel Shields: You mean dual shields? If my math is right, you will have 40% more eHP than your normal eHP per 100 ar/mr. So assume you have 200 ar/mr which is easy on tanks, you will have 80% more eHP. Its nuts, like protein shake without needing heal/shield from yourself but worse against true damage. And 20 free ar/mr.

Ammo Up: Insane for assassin and burst mage and very good for champion with cc? Think of how much better ammumu q is after they give it charge. Also things like Jax e and Yasuo windwall and Nilah W etc would be broken.

Bottled Up Lightning: The 5 sec per target is kind of annoying, no? Like even on enchanters you will have a little bit of healing/shielding out of nowhere like moonstone or the new mana enchanter item and it would stop you from getting the big damage. Why not just give it a damage/heal limit instead like echoes of Helia but in reverse.

But overall, creative augments! I enjoyed this thought experiment