diff --git a/src/bindings/bind_unit.c b/src/bindings/bind_unit.c
index bb1050aa5..38c762c20 100644
--- a/src/bindings/bind_unit.c
+++ b/src/bindings/bind_unit.c
@@ -461,12 +461,12 @@ static void unit_castspell(unit * u, const char *name)
   for (ql = spells, qi = 0; ql; ql_advance(&ql, &qi, 1)) {
     spell *sp = (spell *) ql_get(ql, qi);
     if (strcmp(name, sp->sname) == 0) {
-      if (sp->sp_function == NULL) {
+      if (!sp->cast) {
         log_error(("spell '%s' has no function.\n", sp->sname));
       } else {
         castorder co;
-        create_castorder(&co, u, 0, sp, u->region, sp->level, sp->level, 0, 0, 0);
-        sp->sp_function(&co);
+        create_castorder(&co, u, 0, sp, u->region, sp->level, sp->level * MagicPower(), 0, 0, 0);
+        sp->cast(&co);
         free_castorder(&co);
       }
     }
diff --git a/src/bindings/bindings.c b/src/bindings/bindings.c
index 0e13e7543..7236af01a 100644
--- a/src/bindings/bindings.c
+++ b/src/bindings/bindings.c
@@ -698,7 +698,7 @@ static int tolua_write_spells(lua_State * L)
   int qi;
   for (ql = spells, qi = 0; ql; ql_advance(&ql, &qi, 1)) {
     spell *sp = (spell *) ql_get(ql, qi);
-    if (sp->sp_function != fun) {
+    if (sp->cast != fun) {
       int combat = 0;
       xmlNodePtr node = xmlNewNode(NULL, BAD_CAST "spell");
       xmlNewProp(node, BAD_CAST "name", BAD_CAST sp->sname);
diff --git a/src/kernel/battle.c b/src/kernel/battle.c
index 22781c80d..1e36806ee 100644
--- a/src/kernel/battle.c
+++ b/src/kernel/battle.c
@@ -1776,12 +1776,11 @@ void do_combatmagic(battle * b, combatmagic_t was)
       fighter *fig = co->magician.fig;
       const spell *sp = co->sp;
       int level = co->level;
-      double power = co->force;
 
-      if (sp->sp_function == NULL) {
+      if (!sp->cast) {
         log_error(("spell '%s' has no function.\n", sp->sname));
       } else {
-        level = ((cspell_f) sp->sp_function) (fig, level, power, sp);
+        level = sp->cast(co);
         if (level > 0) {
           pay_spell(fig->unit, sp, level, 1);
         }
@@ -1793,19 +1792,34 @@ void do_combatmagic(battle * b, combatmagic_t was)
   }
 }
 
-static void combat_action(fighter * af, int turn)
+static void combat_action(fighter * af)
 {
 #ifndef SIMPLE_COMBAT
   af->action_counter++;
-  af->side->bf->lastturn = turn;
+  af->side->bf->lastturn = af->side->battle->turn;
 #endif
 }
 
+static int cast_combatspell(troop at, const spell * sp, int level, double force)
+{
+  castorder co;
+
+  create_castorder(&co, at.fighter->unit, 0, sp, at.fighter->unit->region, level, force, 0, 0, 0);
+  co.magician.fig = at.fighter;
+  level = sp->cast(&co);
+  free_castorder(&co);
+  if (level > 0) {
+    pay_spell(at.fighter->unit, sp, level, 1);
+    combat_action(at.fighter);
+  }
+  return level;
+}
+
 static void do_combatspell(troop at)
 {
   const spell *sp;
   fighter *fi = at.fighter;
-  unit *mage = fi->unit;
+  unit *caster = fi->unit;
   battle *b = fi->side->battle;
   region *r = b->region;
   quicklist *ql;
@@ -1814,26 +1828,26 @@ static void do_combatspell(troop at)
   int fumblechance = 0;
   order *ord;
   int sl;
-  const struct locale *lang = mage->faction->locale;
+  const struct locale *lang = caster->faction->locale;
 
-  sp = get_combatspell(mage, 1);
+  sp = get_combatspell(caster, 1);
   if (sp == NULL) {
     fi->magic = 0;              /* Hat keinen Kampfzauber, kämpft nichtmagisch weiter */
     return;
   }
   ord = create_order(K_CAST, lang, "'%s'", spell_name(sp, lang));
-  if (cancast(mage, sp, 1, 1, ord) == false) {
+  if (cancast(caster, sp, 1, 1, ord) == false) {
     fi->magic = 0;              /* Kann nicht mehr Zaubern, kämpft nichtmagisch weiter */
     return;
   }
 
-  level = eff_spelllevel(mage, sp, fi->magic, 1);
-  if ((sl = get_combatspelllevel(mage, 1)) > 0)
+  level = eff_spelllevel(caster, sp, fi->magic, 1);
+  if ((sl = get_combatspelllevel(caster, 1)) > 0)
     level = MIN(level, sl);
 
-  if (fumble(r, mage, sp, sp->level) == true) {
-    report_failed_spell(b, mage, sp);
-    pay_spell(mage, sp, level, 1);
+  if (fumble(r, caster, sp, sp->level) == true) {
+    report_failed_spell(b, caster, sp);
+    pay_spell(caster, sp, level, 1);
     return;
   }
 
@@ -1849,27 +1863,23 @@ static void do_combatspell(troop at)
 
   /* Antimagie die Fehlschlag erhöht */
   if (rng_int() % 100 < fumblechance) {
-    report_failed_spell(b, mage, sp);
-    pay_spell(mage, sp, level, 1);
+    report_failed_spell(b, caster, sp);
+    pay_spell(caster, sp, level, 1);
     free_order(ord);
     return;
   }
-  power = spellpower(r, mage, sp, level, ord);
+  power = spellpower(r, caster, sp, level, ord);
   free_order(ord);
   if (power <= 0) {             /* Effekt von Antimagie */
-    report_failed_spell(b, mage, sp);
-    pay_spell(mage, sp, level, 1);
+    report_failed_spell(b, caster, sp);
+    pay_spell(caster, sp, level, 1);
     return;
   }
 
-  if (sp->sp_function == NULL) {
+  if (!sp->cast) {
     log_error(("spell '%s' has no function.\n", sp->sname));
   } else {
-    level = ((cspell_f) sp->sp_function) (fi, level, power, sp);
-    if (level > 0) {
-      pay_spell(mage, sp, level, 1);
-      combat_action(at.fighter, b->turn);
-    }
+    level = cast_combatspell(at, sp, level, power);
   }
 }
 
@@ -1881,14 +1891,11 @@ static void do_combatspell(troop at)
 static void do_extra_spell(troop at, const att * a)
 {
   const spell *sp = a->data.sp;
-  fighter *fi = at.fighter;
-  double power;
 
-  power = sp->level * MagicPower();
-  if (sp->sp_function == NULL) {
+  if (sp->cast == NULL) {
     log_error(("spell '%s' has no function.\n", sp->sname));
   } else {
-    ((cspell_f) sp->sp_function) (fi, sp->level, power, sp);
+    cast_combatspell(at, sp, sp->level, sp->level * MagicPower());
   }
 }
 
@@ -2181,7 +2188,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
             af->catmsg += dead;
             if (!standard_attack && af->person[ta.index].last_action < b->turn) {
               af->person[ta.index].last_action = b->turn;
-              combat_action(af, b->turn);
+              combat_action(af);
             }
           }
           if (standard_attack) {
@@ -2197,7 +2204,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
               return;
             if (ta.fighter->person[ta.index].last_action < b->turn) {
               ta.fighter->person[ta.index].last_action = b->turn;
-              combat_action(ta.fighter, b->turn);
+              combat_action(ta.fighter);
             }
             reload = true;
             if (hits(ta, td, wp)) {
@@ -2230,7 +2237,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
         return;
       if (ta.fighter->person[ta.index].last_action < b->turn) {
         ta.fighter->person[ta.index].last_action = b->turn;
-        combat_action(ta.fighter, b->turn);
+        combat_action(ta.fighter);
       }
       if (hits(ta, td, NULL)) {
         terminate(td, ta, a->type, a->data.dice, false);
@@ -2242,7 +2249,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
         return;
       if (ta.fighter->person[ta.index].last_action < b->turn) {
         ta.fighter->person[ta.index].last_action = b->turn;
-        combat_action(ta.fighter, b->turn);
+        combat_action(ta.fighter);
       }
       if (hits(ta, td, NULL)) {
         int c = dice_rand(a->data.dice);
@@ -2262,7 +2269,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
         return;
       if (ta.fighter->person[ta.index].last_action < b->turn) {
         ta.fighter->person[ta.index].last_action = b->turn;
-        combat_action(ta.fighter, b->turn);
+        combat_action(ta.fighter);
       }
       if (hits(ta, td, NULL)) {
         drain_exp(td.fighter->unit, dice_rand(a->data.dice));
@@ -2274,7 +2281,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
         return;
       if (ta.fighter->person[ta.index].last_action < b->turn) {
         ta.fighter->person[ta.index].last_action = b->turn;
-        combat_action(ta.fighter, b->turn);
+        combat_action(ta.fighter);
       }
       if (hits(ta, td, NULL)) {
         dazzle(b, &td);
@@ -2286,7 +2293,7 @@ static void attack(battle * b, troop ta, const att * a, int numattack)
         return;
       if (ta.fighter->person[ta.index].last_action < b->turn) {
         ta.fighter->person[ta.index].last_action = b->turn;
-        combat_action(ta.fighter, b->turn);
+        combat_action(ta.fighter);
       }
       if (td.fighter->unit->ship) {
         /* FIXME should use damage_ship here? */
diff --git a/src/kernel/magic.c b/src/kernel/magic.c
index a422522ed..e048efc40 100644
--- a/src/kernel/magic.c
+++ b/src/kernel/magic.c
@@ -1432,11 +1432,7 @@ static void do_fumble(castorder * co)
   case 5:
   case 6:
     /* Spruch gelingt, aber alle Magiepunkte weg */
-    if (sp->sp_function == NULL) {
-      log_error(("spell '%s' has no function.\n", sp->sname));
-    } else {
-      ((nspell_f) sp->sp_function) (co);
-    }
+    sp->cast(co);
     set_spellpoints(u, 0);
     ADDMSG(&u->faction->msgs, msg_message("patzer4", "unit region spell",
         u, r, sp));
@@ -1447,11 +1443,7 @@ static void do_fumble(castorder * co)
   case 9:
   default:
     /* Spruch gelingt, alle nachfolgenden Sprüche werden 2^4 so teuer */
-    if (sp->sp_function == NULL) {
-      log_error(("spell '%s' has no function.\n", sp->sname));
-    } else {
-      ((nspell_f) sp->sp_function) (co);
-    }
+    sp->cast(co);
     ADDMSG(&u->faction->msgs, msg_message("patzer5", "unit region spell",
         u, r, sp));
     countspells(u, 3);
@@ -1788,7 +1780,7 @@ verify_targets(castorder * co, int *invalid, int *resist, int *success)
      * Magieresistenz der Region prüfen. */
     if ((sp->sptyp & REGIONSPELL)) {
       /* Zielobjekt Region anlegen */
-      spllprm *spobj = malloc(sizeof(spllprm));
+      spllprm *spobj = (spllprm *)malloc(sizeof(spllprm));
       spobj->flag = 0;
       spobj->typ = SPP_REGION;
       spobj->data.r = target_r;
@@ -1908,7 +1900,7 @@ addparam_region(const char *const param[], spllprm ** spobjp, const unit * u,
     rt = findregion(x, y);
 
     if (rt != NULL) {
-      spllprm *spobj = *spobjp = malloc(sizeof(spllprm));
+      spllprm *spobj = *spobjp = (spllprm *)malloc(sizeof(spllprm));
 
       spobj->flag = 0;
       spobj->typ = SPP_REGION;
@@ -2903,12 +2895,7 @@ void magic(void)
           /* zuerst bezahlen, dann evt in do_fumble alle Aura verlieren */
           fumbled = true;
         } else {
-          if (sp->sp_function == NULL) {
-            log_error(("spell '%s' has no function.\n", sp->sname));
-            co->level = 0;
-          } else {
-            co->level = ((nspell_f) sp->sp_function) (co);
-          }
+          co->level = sp->cast(co);
           if (co->level <= 0) {
             /* Kosten nur für real benötige Stufe berechnen */
             continue;
diff --git a/src/kernel/magic.h b/src/kernel/magic.h
index 8679c0b63..eb0047e9f 100644
--- a/src/kernel/magic.h
+++ b/src/kernel/magic.h
@@ -144,22 +144,15 @@ typedef struct sc_mage {
   struct unit * co_get_caster(struct castorder * co);
   struct region * co_get_region(struct castorder * co);
 
-/* irgendwelche zauber: */
-  typedef void (*spell_f) (void *);
-/* normale zauber: */
-  typedef int (*nspell_f) (castorder *);
-/* kampfzauber: */
-  typedef int (*cspell_f) (struct fighter *, int, double,
-    const struct spell * sp);
-/* zauber-patzer: */
-  typedef void (*pspell_f) (castorder *);
-
   typedef struct spell_component {
     const struct resource_type *type;
     int amount;
     int cost;
   } spell_component;
 
+  typedef int (*spell_f)(castorder * co);
+  typedef void(*fumble_f)(castorder * co);
+
   typedef struct spell {
     unsigned int id;
     char *sname;
@@ -170,8 +163,8 @@ typedef struct sc_mage {
     int rank;                   /* Reihenfolge der Zauber */
     int level;                  /* Stufe des Zaubers */
     struct spell_component *components;
-    spell_f sp_function;
-    void (*patzer) (castorder *);
+    spell_f cast;
+    fumble_f patzer;
   } spell;
 
 /* ------------------------------------------------------------- */
diff --git a/src/kernel/xmlreader.c b/src/kernel/xmlreader.c
index 1272fad79..7dd5363ac 100644
--- a/src/kernel/xmlreader.c
+++ b/src/kernel/xmlreader.c
@@ -1568,9 +1568,9 @@ static int parse_spells(xmlDocPtr doc)
             }
             assert(propValue != NULL);
             if (strcmp((const char *)propValue, "cast") == 0) {
-              sp->sp_function = (spell_f) fun;
+              sp->cast = (spell_f) fun;
             } else if (strcmp((const char *)propValue, "fumble") == 0) {
-              sp->patzer = (pspell_f) fun;
+              sp->patzer = (fumble_f) fun;
             } else {
               log_error(("unknown function type '%s' for spell %s\n",
                   (const char *)propValue, sp->sname));