The Impact of Loss is an Iki Island side tale at Lake Nagata in Gonoura. A monk gave himself up to the Mongols to save a survivor camp, and you go after him and the search party that followed. It ends with a choice you cannot undo.
Part 12 of 16 in Tales of Iki
Find Hotoke at the survivor camp near Lake Nagata and go with her to catch the rescue party, who are not fighters. Look over the battleground, track the spilled rice, beat the Mongols, and search for the two captives. At the end you pick which one to free.
Save Doshun and he returns to the camp with Hotoke. Save Togo and Doshun dies; Hotoke later falls ill and dies too. If you chose Togo, you can talk to him after the tale.
A Helping Hand
A Helping Hand is an Iki Island side tale where you keep running into Emotaro, a man rebuilding his home alone after the Mongols burned it. Help him four times and you get the Charm of Iron Grip.
A Mother's Law
A Mother's Law is an Iki Island side tale given by the raider leader Fune at Fune's Refuge in Yahata. It opens after Epilogue: Last Words and has you help her hit a Mongol supply ship.
A Raider's Return
A Raider's Return is an Iki Island tale where Tenzo takes Jin to meet his crew of raiders. It's how you first link up with the raiders, a group that normally has no love for samurai, in the fight against the Eagle Tribe.
Bloodletting
Bloodletting is an Iki Island side tale in Gonoura that follows Troubled Waters. You and Sugi set up a fake betrayal so Yamaneko's raiders and their Mongol allies turn on each other.