Exhaustion

  Some special abilities and environmental hazards, such as starvation and the long-term effects of freezing or scorching temperatures, can lead to a special condition called exhaustion. Exhaustion is measured in six levels. An effect can give a creature one or more levels of exhaustion, as specified in the effect’s description.
  If an already exhausted creature suffers another effect that causes exhaustion, its current level of exhaustion increases by the amount specified in the effect’s description.
 
  A creature suffers the effect of its current level of exhaustion as well as all lower levels. For example, a creature suffering level 2 exhaustion has its speed halved and has disadvantage on all ability checks that are not based on Intelligence.
  An effect that removes exhaustion reduces its level as specified in the effect’s description, with all exhaustion effects ending if a creature’s exhaustion level is reduced below 1.
  Finishing a long rest reduces a creature’s exhaustion level by 1, provided that the creature has also ingested some food and drink.

Conditions

 

Flustered

A flustered creature has disadvantage on ability checks and Intelligence, Wisdom, and Charisma saving throws.

For the duration of the condition, a flustered creature’s Charisma score is reduced by 2.

 

Grappled

A grappled creature’s speed becomes 0, and it can’t benefit from any bonus to its speed.

The condition ends if the grappler is incapacitated (see the condition).

The condition also ends if an effect removes the grappled creature from the reach of the grappler or grappling effect.

For both the grappled and the grappling creature, attack rolls with a melee weapon that isn’t light have disadvantage.

 

Surprised

A surprised creature is incapacitated (see the condition) and can’t move.

The creature has disadvantage on Intelligence, Wisdom, and Charisma saving throws and ability checks.

Surprise ends after a maximum of six seconds (one round) unless the cause of the condition specifies otherwise.

Touch AC

  Even when wearing armor, some attack rolls might be measured against your Touch AC instead of your normal AC. This usually means the armor you are wearing is ineffective against the attack.
  To calculate your Touch AC, replace your Base Armor with 10, regardless of what armor you are wearing. All other factors used to calculate your AC stay the same, including shield bonuses and penalties to your Dexterity modifier from wearing heavier armor types.

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