Tanto's are pure fighting knives.
Ron Hood made a good video (well, series of videos) in which he uses a LARGE tanto knife to skin animals and do general survival tasks. Don't let Cold Steel fool you. The American Tanto design is quite capable of typical knife chores.
Decide if you want to baton wood with your knife or be able to skin and clean animals.
I'm sorry, but if the knife can't do both to a reasonable degree, it's not suitable as a survival knife. I can do (and have done) both with a stumpy tang, super thin Mora or a full tang, 1/4" thick Strider. ESEE knives, which you linked to, are fully capable of cleaning game. Now you don't need a knife to skin anything if you do it right, but on the same note, any knife can skin game if you aren't worried about preserving the hide. If you're using a knife, expect to ruin the hide; you'll save yourself a lot of disappointment much of the time that way.
Batoning, for the most part, is not necessary. There are other methods of splitting wood without an axe if you absolutely have to split wood. Most of the batoning I do these days is cross grain, in order to cut to length when a saw isn't handy.
If I could only have one blade, it would be my Gransfors Bruks Mini Hatchet, but honorable mention goes to my Fairly chisel grind Bushcraft, which is a very capable knife and even more so in conjunction with an axe or saw (preferably both). I also like my Leuku, and find it very comfortable to use for long periods of wood working and it's also more than capable of cleaning game.
Generally, ESEE is a great choice for most people.
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