falling in lava, lava falling on you, blaze, wither skeltons, normal skeltons, mobs knocking you off a ledge into lava, ghast blowing you up, fire, magma block, gravel falling on you and suffocating, magma cude jumping on you, pgilins killing you, hoglins killing you, random block missing on your lava bridge, random blocks missing in the floor so that you can fall through them into lava, i think thats ab it