Which cards should I sleeve for The 7th Continent?
The cards in your action and hand deck are used the most, and these are the ones the for which the sleeves were provided ("to protect all ACTION and STATE cards"). These include the following:


11 character cards
35 character-specific skill cards
35 skill cards
49 advanced skill cards, or 50 if you have the Path of Repentance expansion
11 curse cards (including the four "Death is Lurking" cards)
45 state cards. These are found at these numbers:


   100 to 108, inclusive (5 of each)



For a total of 186 cards, or 187 with the Path of Repentance expansion.

The following are other possible candidates:


10 saving-related cards
Satchel &amp; Journal
7 clue cards
Card 777 ("Easy mode") and card 650 ("Hardcode mode")


For a total of 20 cards.

The counts are for the base Kickstarter reward. Cards from the add-ons are mentioned separately.