Ah, entendi. Isso, na verdade, não seria uma spell, e sim o ataque básico do jogador. Provavelmente há algum creaturescript bloqueando o dano de players, talvez um onAttack ou um onStatsChange retornando falso. Recomendaria procurar por tais arquivos, e, caso não tenha noções de Lua, postá-los aqui.
Olha meu creaturescripts.xml ve se pode me ajudar 
<?xml version="1.0" encoding="UTF-8"?>
<creaturescripts>
<event type="joinchannel" name="ShowPokedex" event="script" value="newpokedex.lua"/>
<event type="leavechannel" name="ClosePokedex" event="script" value="newpokedex.lua"/>
<event type="kill" name="task_count" script="task.lua"/>
<event type="kill" name="dropStone" script="dropStone.lua"/>
<event type="login" name="PlayerLogin" event="script" value="login.lua"/>
<event type="kill" name="BossKill" event="script" value="bosskill.lua"/>
<event type="death" name="DeathList" event="script" value="deathlist.lua"/>
<event type="logout" name="BlockLogout" script="blocklogout.lua"/>
<event type="login" name="BlockLogin" script="blocklogin.lua"/>
<event type="login" name="MutePlayer" event="script" value="mute_check.lua"/>
<event type="receivemail" name="Mail" event="script" value="mail.lua"/>
<event type="reportbug" name="SaveReportBug" script="reportbug.lua"/>
<event type="think" name="Idle" event="script" value="idle.lua"/>
<event type="death" name="Experience" event="script" value="pokeexp.lua"/>
<event type="spawn" name="Spawn" event="script" value="spawn.lua"/>
<event type="think" name="t" event="script" value="wildpoke.lua"/>
<event type="statschange" name="GeneralConfiguration" event="script" value="exp2.0.lua"/>
<event type="direction" name="DirectionSystem" event="script" value="wildpoke.lua"/>
<event type="attack" name="AttackSystem" event="script" value="wildpoke.lua"/>
<event type="cast" name="CastSystem" event="script" value="wildpoke.lua"/>
<event type="target" name="WildAttack" event="script" value="playerattack.lua"/>
<event type="look" name="LookSystem" event="script" value="look.lua"/>
<event type="death" name="SummonDeath" event="script" value="goback.lua"/>
<event type="logout" name="PlayerLogout" event="script" value="goback.lua"/>
<!-- TV SYSTEM -->
<event type="joinchannel" name="WatchTv" event="script" value="tvsys.lua"/>
<event type="leavechannel" name="StopWatchingTv" event="script" value="tvsys.lua"/>
<event type="walk" name="WalkTv" event="script" value="tvsys.lua"/>
<event type="textedit" name="RecordTv" event="script" value="tvsys.lua"/>
<event type="traderequest" name="T2" event="script" value="trade system.lua"/>
<event type="tradeaccept" name="T1" event="script" value="trade system.lua"/>
<event type="traderequest" name="tradeRequest" event="script" value="notrade.lua"/>
<event type="preparedeath" name="TournamentDeath" event="script" value="tournamentdeath.lua"/>
<!-- AutoLoot System -->
<event type="kill" name="ALoot" event="script" value="autoloot.lua"/>
<event type="kill" name="DropItemEffect" event="script" value="dropitem.lua"/>
<event type="login" name="DropItemEffectRegister" event="script" value="dropitem.lua"/>
<event type="think" name="PokemonIdle" event="script" value="poketele.lua"/>
<event type="login" name="PokemonIdleLogin" event="script" value="poketele.lua"/>
</creaturescripts>