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Eiyuden Chronicle: Hundred Heroesfittingly featuresHero Combos, the renamed and somewhat retooled successors to Suikoden’s Combination Attacks. While the concept of spending multiple characters' turns combining their might is hardly Suikoden-exclusive, the six-person parties and high number of recruitable party members makes this singularly spectacular.
Below, we’ve chronicled (heh) every Hero Combo. You won’t see these in your character status menu until you’ve acquired a character (or at least had them in your party at some point before they’ve temporarily departed), so you’ll get some mileage out of plotting things out ahead of time. At least, we hope you will!

All Two-Person Hero Combos
A whopping number of two-person Hero Combos exist in Eiyuden Chronicle. Most arerelatively cheap on the SP side, and there’sgood synergy between many of these party membersin general, making them easy match-ups.
Bear in mind,Chandra and Aleior take up two slots, so in a way, they’re three-person combos in their own right. Kind of!

Leene
Lucky Meddlers Combo
Minor or moderate Slash damage to all foes. Chance of acquiring loot.
Light and Dark Heal Combo

Markus
Ghostly Rule Combo
Summon the Skeleton King. Markus is knocked out in the process. (Note: We need to test this one.)
Lilwn
Elves Combo
Moderate Aerial damage to one foe. Attack Power and Action Speed boosts.
Two
All Three-Person Hero Combos
There aren’t quite as many three-person Hero Combos in Eiyuden Chronicle, though there’s still plenty of goodness to go around.These tend to be stronger than two-person combos, though theirSP costs are often a bit higheras a result.
Strategically-timed use of these can really turn the tide in hard mode and the Mysterious Room.

Yuferius or Scarlet
Three
All Four-Person Hero Combos
Four-person Hero Combos are rare. As of our findings,there are only three, though they’re all quite strong.Requiring us to take up four of our six slotsis a tall ask, though if you find yourself fond of each of them, it’s hardly going to break you.
Leon
Falward
Heavy Blunt damage to all foes. HP restoration to all party members.
Four
The Six-Person Hero Combo
As you would imagine, the single six-person Hero Combo,Complete Heroes Combo, is incredible. It requires theacquisition of both CJ and Isha,neither of whom will join the Alliance by default.
For a ridiculousone SP, it will deal extreme damage to the entire enemy party. The downside, of course, is thatyou’ve taken your only action for an entire round. We’d argue it’s worth the tradeoff, seeing as you aren’t forced to use it every turn. Do other stuff when needed!