skill.c add a new function. void DOTASWAPfu (struct block_list *src, struct block_list *bl) { int x=0, y=0; x=src->x; y=src->y; unit_movepos(src, bl->x, bl->y, 1, 1); clif_slide(src,bl->x,bl->y); unit_movepos(bl, x, y, 1, 1); clif_slide(bl,x,y); clif_specialeffect(bl,34,AREA); clif_specialeffect(src,34,AREA); return; } add int skill_castend_nodamage_id (struct block_list *src, struct bl... { ... case MER_BLESSING: if (dstsd != NULL && tsc->data[sC_CHANGEU