Let's make a list of debuff countering methods!

[Spasmatique]

I couldn't find all this information in one place, so I spent some time taking notes. This is an incomplete list, so feel free to correct me or tell me what I missed. It includes ONLY consumables, spells and actions. I also didn't include ALL ailments because the list would be too long.

Bleeding:
- any healing action (Healing Potions, spells)

Blinded:
- Lesser Restoration (lv2)
- Heal (lv6)

Bloodless:
- Lesser Restoration (lv2)

Burning:
- any healing action (Healing Potions, spells)
- anything that applies Wet
- Create Or Destroy Water (lv1)
- Help action

Charmed:
- Greater Restoration (lv5)
- Dispel Evil And Good (lv5)
- Protection From Evil And Good (lv1)
- Elixir Of Peerless Focus (resistance)

Crippled:
- any healing action (Healing Potions, spells)

Cursed:
- Remove Curse (lv3)
- Greater Restoration (lv5)

Dazed:
- Help action

Downed:
- Help action

Diseased:
- Lesser Restoration (lv2)
- Heroes' Feast (lv6, immunity)
- Heal (lv6)

Downed:
- any healing action (Healing Potions, spells)

Encrusted With Frost:
- anything that applies Burning

Ensnared:
- Help action

Entangled:
- Help action

Enwebbed:
- Help action

Gaping Wounds:
- Help action
- any healing action

Frightened:
- Calm Emotions (lv2, immunity)
- Dispel Evil And Good (lv5)
- Protection From Evil And Good (lv1, immunity)
- Heroism (lv1)

Hamstrung:
- any healing action (Healing Potions, spells)

Hypnotised:
- Shove action
- Help action
- receiving damage

Maimed:
- any healing action (Healing Potions, spells)

Nauseous:
- see: Poisoned

Paralysed:
- Lesser Restoration (lv2)
- Freedom Of Movement (lv4, immunity)
- Elixir Of Guileful Movement (gives Freedom Of Movement)

Petrified:
- Greater Restoration (lv5)
- Basilisk Oil (only on other creature)

Poisoned:
- Protection From Poison (lv2, cure + immunity)
- Lesser Restoration (lv2)
- Heroes' Feast (lv6, immunity)
- Antidote
- Remedial Potion

Possessed:
- Dispel Evil And Good (lv5)
- Protection From Evil And Good (lv1, immunity)

Prone:
- Help action

Sleeping:
- Shove action
- Help action
- receiving damage

Stunned:
- Greater Restoration (lv5)
- Freedom Of Movement (lv4, immunity)
- Elixir Of Guileful Movement (gives Freedom Of Movement)

--------------------------------------

Not sure about the following:
Chilled
Confused
Dominated
Electrocuted
Feared
Flesh Rot (Diseased?)
Polymorphed