Creative Commons 0 sounds from Freesound.org

mobs_swing.ogg by qubodup
 - http://freesound.org/people/qubodup/sounds/60012/

mobs_spell.ogg by littlerobotsoundfactory
 - http://freesound.org/people/LittleRobotSoundFactory/sounds/270396/

mobs_punch.ogg by Merrick079
 - https://freesound.org/people/Merrick079/sounds/566436/