DEFENSE
1 is a mythical being of immense power and ability.
2 is a master that's well beyond your abilities.
3 is something you couldn't hope to hurt.
4 is well above your abilities.
5 is a truly skilled opponent.
6 is an very difficult opponent.
7 is a quite difficult opponent.
8 is a rather difficult opponent.
9 is a difficult opponent.
10 is a worthy opponent.
11 is a somewhat skilled opponent
12 is a relatively easy opponent.
13 is an easy opponent.
14 is a simple opponent.
15 is well beneath your abilities.
16 is a very easy opponent.
17 is a harmless opponent.
18 is something that you'd kill quickly.
19 is something that you could tear to shreds.
20 is a creature completely beneath your notice.
21 is something you could wipe the floor with.
 

OFFENSE
1 is a mythical being of immense power and ability
2 is a master that is well beyond your abilities
3 is something that could kill you quickly
4 is something that could tear you to shreds
5 is an extremely skillful opponent
6 is a truly skilled opponent
7 is a quite difficult opponent
8 is a rather difficult opponent
9 is a difficult opponent
10 is a challenging opponent
11 is a solid opponent
12 is a worthy opponent
13 is a slightly less skilled opponent
14 is a less skilled opponent
15 is definately less skilled
16 is a relatively easy opponent
17 is an easy opponent
18 is a simple opponent
19 is well beneath your abilities
21 is a very easy opponent