Field battles - I thought it would be obvious xbows - slow reload in the middle of an open field or on some shitty ladder cav can ride right up to kill you. 2her and polearms pretty easy open field, if you are worried about cav use a stabby weapon and it has really long reach for anti-cav. Hell the easiest class in the game is 2her cav, 1-shot kills almost everybody with very little skill needed. For melee, 1her shielders have it harder because everybody outranges them as people skirmish with long 2hers and polearms and they can easily get cav bumped to death with their short reach weapons.