two heroes

a tale; a story

fell; throw down; knock down; cause something upright to become horizontal / kill / defeat / overthrow / avoid paying (a debt)

to a great extent

causative of 合う (au) / put together / tune music, radio / add up to, amount to / match with / check with, check against / adapt oneself to, join in / blend, mix / combine, fuse, merge

altogether

in addition, besides

joining together

strength / power / force

power, force, strength