While not a total conversion, Squad Cohesion sprinkles in just enough Fire Emblem to shake up XCOM 2.
Steam Workshop::War of the Emblem - A Fire Emblem Themed RPGO Modpack
Squad Cohesion' Mod Rolls Elements of Fire Emblem into XCOM 2
This Mod Brings Fire Emblem Relationship Building To XCOM 2 - Game Informer
XCOM 2 mod lets your soldiers get all close and personal
Squad Cohesion' Mod Rolls Elements of Fire Emblem into XCOM 2
Steam Workshop::War of the Emblem - A Fire Emblem Themed RPGO Modpack
Gelugon_baat's Review of XCOM: Enemy Unknown - The Complete Edition - GameSpot
XCOM 2 Alien Analysis: Sectopod
Steam Workshop::LW2: Requested Squad Icons
RPGWatch:XCOM 2 - All News
This Mod Brings Fire Emblem Relationship Building To XCOM 2 - Game Informer
XCOM 2 Alien Analysis: Sectopod
This Mod Brings Fire Emblem Relationship Building To XCOM 2 - Game Informer
Fire Emblem-inspired XCOM 2 mod focuses on squad relationships – Destructoid
Steam Workshop::[WOTC] Squad Manager