Yes, there are a few.
'Fissure' only destroys one monster. But you never choose the monster when you activate Fissure, meaning it does not target. Even if you 'know' which monster it will affect, it only makes the selection on resolution, and conditions on the field can change, meaning it might end up destroying something else instead.
Counter Traps and many negation effects are used against 'an activation' or 'a summon', they do not target the monster itself, even if they also destroy it.
Yes. It will be destroyed by battle by anything that has an ATK of 1 or higher (A monster with 0 ATK cannot destroy another with 0 ATK even though they are equal and normally equal attacks mean mutual destruction.
Assuming the defending monster is also in attack position, both monsters will be destroyed.
Five-Headed Dragon.
Unless the monster specifically says otherwise, it takes two tributes for a monster of Lv7+
yes its name is dark blade
You cannot manually. Such an occurence could only result from a card effect.
if a monster attacks a symboll in capsule monster coliseum the monster gets 50 XP so if you want to lvl a monster up to lvl 2 just destroy a symbol twice!
You do.
Yes. It will be destroyed by battle by anything that has an ATK of 1 or higher (A monster with 0 ATK cannot destroy another with 0 ATK even though they are equal and normally equal attacks mean mutual destruction.
monster reborn
no you would have to use the card to destroy it when it is summoned because its effect activates as soon as it hits the field
Assuming the defending monster is also in attack position, both monsters will be destroyed.
magic trap and monster
Five-Headed Dragon.
If this card attacks a defense position monster your opponent controls, destroy all defense position monsters your opponent controls after damage calculation. During your end phase, destroy all of your monsters that did not declare an attack this turn.
Unless the monster specifically says otherwise, it takes two tributes for a monster of Lv7+
yes its name is dark blade