It's been a while since I made this tier list, so I've decide to come back and make some changes.
Hermes Boots: S -> A (Faster running is only useful on the ground, and the best pair of boots can't be crafted with Hermes)
Flurry Boots: S -> A (Same reason as for Hermes Boots)
Shiny Red Balloon: A -> S (I gave Frog Leg S so I should give this S too, plus this has very useful tinkers)
Tsunami in a Bottle: A -> S (I lowered this too much for being only slightly better than Cloud in a Bottle)
Balloon Pufferfish: A -> S (Same reason as SRB)
Worm Scarf: A -> S (I under-appreciated 17% damage reduction)
Pygmy Necklace: A -> S (One extra minion is extremely useful no matter what stage of the game you're in)
Honey Balloon: D -> C (it's a waste of a SRB but it still has SRB's jump height so)
Amber Horseshoe Balloon: D -> C (same reason as Honey Balloon)
Gold Ring: B -> C (extra coin pickup range is not worth the rarity of this accessory)
Charm of Myths: A -> S (really great defensive accessory, a combination of two A tier accessories is usually pretty good)
Greedy Ring: B -> C (definitely not worth the grind, plus there is no reason to upgrade since you wouldn't need to wear the ingredients at all times)
Avenger Emblem: A -> S (slightly worse damage to your main weapon but affects both it and your minions)
Destroyer Emblem: A -> S (really good offensive stat boost for all weapons)
Let me know what you think before I make the changes.
Agreed almost everything but few notes:
1. All boost still great pre hm, ez to find one in every biome. Only shadowed by wings but still deserved S . Perhaps S-
2. Sandstorm in a Bottle: Here is the thing, its super ez to find or u cant find it. U can have it right at the start without even try. Performance: S no doubt. So overall S
3. Feral Claws: Must have for summoner and very useful for melee. That means 2/4 class. Has very long life span. Ingredient for many useful Combined Accessories. S- for me
4.Rocket Boots A>B-: Horible acceleration speed, low jump heigh. The only upside is that basically a free upgrade to any boots.
5.Frozen Turtle Shell:A>B only good for face tank warrior, u dont want to be in the posistion< 50% life to make this useful. Low drop chance from a not that common enemy in undesired bimone in hard mode make it even worse.
6. Frozen Shield: S>A. A litte bit Better version of Ank shield but u have to craft it from 2 rare ingreient. Honestly not worth the grind, only good for facetank warrior. Cobalt shield and Obsidian Shield served well enough.
7. Cobalt shield/Obsidian Shield ( free upgrade Cobalt shield) : Hard to rank this because its just too good to rank A ( long life span, ez to get) but not broken enough be be ranked S ( u can completely ignore it).its in the middle of A-S.
8.Charm of Myths: the effect mostly comefrom Philosopher's Stone. But Charm of Myths add some extra benefit, +1 regen, can wear in vanity slot. So probably still A.