I recalculated the formulas for effects 116 to 118 (cleric pre50 symbols), this seems to be closer from lucy :
in spell_effect.cpp, row ~1950
	Code:
			case 116:	// ryltan (31-24+1)=8 (158-94)=64
		  result = ubase + 8 * (caster_lvl - 24); break;
		case 117:	// pinzarn, approx (41-34+1)=8 (307-224)=83
		  result = ubase + 11 * (caster_level - 34); break; 
		case 118:	// naltron -> seems good, (525-406)=119 119/(50-44+1)=17
		  result = ubase + 17 * (caster_level - 44); break;