Searching for "Incendiary Grenade" returned 6 results:
Weaponry (Weapon), Resident Evil 5
Weaponry (Weapon), Resident Evil 7 Biohazard - Not a Hero
Weaponry (Weapon), Resident Evil 4
Weaponry (Weapon), Resident Evil 4 - Separate Ways
Weaponry (Weapon), Resident Evil 6
Weaponry (Ammunition), Resident Evil Remake