why not both? or buy one first then the other one later?

I'm going with buy one first then other later. Di ko lang alam kung alin uunahin ko

Haven't seen Etrian Odyssey 4, pero ang ganda ng reviews ng Fire Emblem. Apparently, balanced out na yung difficulty, and you can now turn off perma deaths without changing the difficulty of the game.

Ang badass din ng character designs and animation.

If you wanna get sunk into a game, EO without a doubt. Fire Emblem if you want a pick me up. Mababaliw ka lang siguro kung paulit-ulit namamatay mga tao mo sa bandang gitna ng game.
Unless you grind.

in FE, you can also buy a DLC which basically breaks the game IMO. Maps which allow you to farm Gold, EXP, and Items. So far the Gold map is the only one released ATM.

Either way... STREETPASS PLX!

However, for collecting's sake... EO4 nao to get the bonus shiz.