europe Ragnarok Online : Repeatable Exp Quest NPC sells "Bill of Birds", "Acrom" and "Goat Horn". I made list for 3 items. have a fun of euRO !

Bill of Birds	Level	exp	next	times		trans	Level	exp	need	times
Base Level	10	0	320	1			10	0	278	1
10 to 31	11	319	385	1			11	277	400	1
exp @once	12	384	490	1			12	399	481	1
2000	13	489	585	1		Total	13	480	613	1
	14	584	700	1		39 times	14	612	731	1
34 times	15	699	830	1			15	730	875	1
item	16	829	970	1		item 1560	16	874	1038	1
1360	17	969	1120	1		price	17	1037	1213	1
price	18	1119	1260	1		195,000z	18	1212	1400	1
65,280z	19	1259	1420	1			19	1399	1575	1
	20	1419	1620	1			20	1574	1775	1
	21	1619	1860	1			21	1774	2268	1
	22	1859	1990	1			22	1506	2604	1
	23	1989	2240	1			23	902	2786	1
	24	1749	2504	1			24	116	3136	2
	25	1245	2950	1			25	980	3506	2
	26	295	3426	2			26	1474	4130	2
	27	869	3934	2			27	1344	4796	2
	28	935	4474	2			28	548	5508	3
	29	461	6889	4			29	1040	6264	3
	30	1572	7995	4			30	776	9645	5
	31	1577	9174	4			31	1131	12392	6

Acrom	Level	exp	next	Times		trans	Level	exp	next
20 to 61	20	0	1420	1			20	0	1775	1
1800	21	1419	1620	1			21	1774	2268	1
	22	1619	1860	1			22	1306	2604	1
Total Times	23	1559	1990	1		Times	23	502	2786	2
1517	24	1369	2240	1		2723	24	1316	3136	2
Items	25	929	2504	1		Item	25	1780	3506	1
75850	26	225	2950	2		136150	26	74	4130	3
Zeny	27	875	3426	2		price	27	1344	4796	2
7,585,000	28	1049	3934	2		13,615,000	28	148	5508	3
	29	715	4474	3			29	40	6264	4
	30	1641	6889	3			30	976	9645	5
	31	152	7995	5			31	331	12392	7
	32	1157	9174	5			32	539	14220	8
	33	983	10425	6			33	719	16159	9
	34	1358	11748	6			34	760	18209	10
	35	410	13967	8			35	551	21649	12
	36	843	15775	9			36	502	24451	14
	37	1268	17678	10			37	1251	27401	15
	38	1590	19677	11			38	850	30499	17
	39	1713	21773	12			39	951	33748	19
	40	1540	30543	17			40	1403	47342	26
	41	1597	34212	19			41	861	58160	32
	42	1585	38065	21			42	301	64711	36
	43	1320	42102	23			43	390	71573	40
	44	618	46323	26			44	817	78749	44
	45	1095	53026	29			45	1268	90144	50
	46	269	58419	33			46	1124	99312	55
	47	1250	64041	35			47	812	108870	61
	48	209	69892	39			48	1742	118816	66
	49	517	75973	42			49	1726	129154	71
	50	144	102468	57			50	372	174196	97
	51	276	115254	64			51	776	213220	119
	52	222	128692	72			52	1756	238080	132
	53	1130	142784	79			53	1276	264150	147
	54	546	157528	88			54	1726	291427	161
	55	1418	178184	99			55	99	329640	184
	56	1434	196300	109			56	1659	363155	201
	57	1334	215198	119			57	304	398116	222
	58	336	234879	131			58	1788	434526	241
	59	1257	255341	142			59	1062	472381	262
	60	1516	330188	183			60	281	610848	340
	61	728					61	1433

Goat Horn	Level	exp	next	times		trans	Level	exp	next	times
70 to 85	70	0	925400	8			70	0	1850800	15
129245	71	108560	1473746	11			71	87875	3389616	26
	72	56509	1594058	12			72	58629	3666333	28
Times	73	13391	1718928	14		Times	73	11156	3953534	31
306	74	103893	1848355	14		739	74	64217	4251217	33
Items	75	64968	1982340	15		Items	75	78085	4559382	35
12240	76	21303	2230113	18		29560	76	42278	5129260	40
Zeny	77	117600	2386162	18		Zeny	77	82818	5488173	42
6,242,400z	78	57848	2547417	20		15,075,600	78	22935	5859059	46
	79	95331	2713878	21			79	109146	6241919	48
	80	95598	3206160	25			80	70987	7374168	57
	81	120563	3681024	28			81	63784	9570662	74
	82	58399	4022472	31			82	57252	10458427	81
	83	42522	4377024	34			83	67670	11380262	88
	84	59828	4744680	37			84	60968	12336168	95
	85	97213					85	3075

list

	Level Limit
Item	ea	low	high	base	job	NPC	price(DC10)
Fluf	25	2	20	193	15	gef_fild07
Chrysalis	25	2	20	193	15	gef_fild07
Bill of Birds	40	10	30	2000	1000	moc_fild02	64z(45z)
Powder of Butterfly	25	15	45	1475	563	prt_fild04
Acorm	50	20	60	1800	1953	Mjolnir_01	100z(no)
Porcupine Quill	50	24	60	5213	3136	Mjolnir_01
Stone Heart	40	25	60	7000	4500	gef_fild08
Earthworm Peeling	40	25	60	7889	563	moc_fild017
Frill	40	30	65	15000	11500	moc_fild017
Dokkaebi Horn	50	35	70	21000	18000	pay_fild10
Great Leaf	40	36	65	12873	15756	ayo_fild01
Anolian Skin	50	45	80	34475	21650	cmd_fild01
Bacillus	50	60	74	131234	70918	ein_fild01
Sharp Leaf	50	60	85	131234	70918	um_fild01
Goat Horn	40	70	84	129245	77578	ein_fild06	672z(510z)