Arceuus Library

This article is about the library in Great Kourend. For other libraries, see Library.

Arceuus Library
Released		7 January 2016 (Update)
Also called		Grand Library of Great Kourend
Members		Yes
Floors		3
Location		Arceuus (Great Kourend)
League region		Kourend✓
Inhabitants		Citizen of Arceuus
Map
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Advanced data
Type		building

The Arceuus Library, also known as the Grand Library of Great Kourend, is a large library found in Arceuus. Created during the attack of the Wintertodt (known then as the Winter Beast) 1,360 years ago, its construction was ordered by Lord Arceuus I, who requested all citizens submit writing, texts, documents and research from all cities in order to preserve the history of Great Kourend.

Important historical documents, such as the Official Order of Construction, are stored in the Library Historical Archive, a repurposed chamber of the Tower of Magic, for further study and additional protection. Players can access the Archive by speaking to Archeio on the ground floor.

The library can quickly be reached by using the fairy code CIS.

Gaining experience

The Library is the location in which players can gain experience in either Magic or Runecraft by speaking to either Sam, Professor Gracklebone, or Villia to search bookcases for texts around the library for them. For finding and delivering the correct book, players will be given a book of arcane knowledge.

The locations of the books can be extremely narrowed down by speaking to Biblia on the top floor, who will narrow the location of the text the player is looking for down to the floor level and the section of the floor where a requested book is located.

The location of the books vary between worlds, and reset after 80–100 minutes and a game message in the chatbox will state You hear the shifting of books due to a mysterious force...or are you just hearing things?. Note that if a player is required to find the book Soul journey, it is recommended to read it, as doing so will start the Bear Your Soul miniquest.

Strategy

It is recommended to have light-weight/weight-reducing clothing such as the graceful outfit, or multiple stamina potions.

It is highly recommended that players speak to Biblia on the top floor to be told which room the requested book is located.

Alternatively, the Kourend Library RuneLite plug-in will locate and highlight books.

You may collect books other than those currently being requested to be more quickly prepared for future requests. The drop trick does not work and you cannot bank the books. After you give a book to a customer, it is recommended to return to the same location and get another copy of the book, in case it is requested again. If you choose not to do this, however, and the same book is requested before the location change, the book will still be found at the same location. Around every 80–100 minutes, all of the locations of books change.

The quickest way to gain experience is to coordinate with other players on finding books by sharing locations and collecting all books, even those you do not yet need. Players who do not want help from other players should go to a world with few players to increase the time between location resets, and take note of the locations of books. With few players online, the locations may stay the same for over an hour.

You can use the Arceuus Library Books Calculator to determine how many books are needed to reach a target level or XP. When a book is used, it grants Magic experience equal to 15x the player's Magic level, or Runecraft experience equal to 5x the player's Runecraft level.

The tables below show the progress each tome will grant.

Runecrafting

Level	XP/Tome	% of Level/Tome	Tomes needed to Level
1	5	6.02%	17
2	10	10.99%	10
3	15	14.71%	7
4	20	17.86%	6
5	25	20.16%	5
6	30	21.74%	5
7	35	23.18%	5
8	40	23.81%	5
9	45	24.32%	5
10	50	24.51%	5
11	55	24.34%	5
12	60	24.10%	5
13	65	23.72%	5
14	70	23.03%	5
15	75	22.39%	5
16	80	21.68%	5
17	85	20.83%	5
18	90	20.00%	5
19	95	19.11%	6
20	100	18.25%	6
21	105	17.33%	6
22	110	16.49%	7
23	115	15.60%	7
24	120	14.74%	7
25	125	13.92%	8
26	130	13.13%	8
27	135	12.34%	9
28	140	11.60%	9
29	145	10.89%	10
30	150	10.20%	10
31	155	9.55%	11
32	160	8.93%	12
33	165	8.35%	12
34	170	7.79%	13
35	175	7.26%	14
36	180	6.77%	15
37	185	6.30%	16
38	190	5.86%	18
39	195	5.45%	19
40	200	5.07%	20
41	205	4.70%	22
42	210	4.37%	23
43	215	4.05%	25
44	220	3.75%	27
45	225	3.48%	29
46	230	3.22%	32
47	235	2.98%	34
48	240	2.76%	37
49	245	2.55%	40
50	250	2.36%	43
51	255	2.18%	46
52	260	2.01%	50
53	265	1.86%	54
54	270	1.71%	59
55	275	1.58%	64
56	280	1.46%	69
57	285	1.34%	75
58	290	1.24%	81
59	295	1.14%	88
60	300	1.05%	96
61	305	0.97%	104
62	310	0.89%	113
63	315	0.82%	122
64	320	0.75%	133
65	325	0.69%	145
66	330	0.64%	157
67	335	0.59%	171
68	340	0.54%	186
69	345	0.50%	202
70	350	0.46%	220
71	355	0.42%	239
72	360	0.38%	261
73	365	0.35%	284
74	370	0.32%	309
75	375	0.30%	337
76	380	0.27%	367
77	385	0.25%	400
78	390	0.23%	435
79	395	0.21%	475
80	400	0.19%	517
81	405	0.18%	564
82	410	0.16%	615
83	415	0.15%	671
84	420	0.14%	732
85	425	0.13%	799
86	430	0.11%	871
87	435	0.11%	951
88	440	0.10%	1038
89	445	0.09%	1133
90	450	0.08%	1237
91	455	0.07%	1351
92	460	0.07%	1475
93	465	0.06%	1611
94	470	0.06%	1760
95	475	0.05%	1923
96	480	0.05%	2101
97	485	0.04%	2295
98	490	0.04%	3135
99	495	N/A	N/A

Magic

Level	XP/Tome	% of Level/Tome	Tomes needed to Level
1	15	18.07%	6
2	30	32.97%	4
3	45	44.12%	3
4	60	53.57%	2
5	75	60.48%	2
6	90	65.22%	2
7	105	69.54%	2
8	120	71.43%	2
9	135	72.97%	2
10	150	73.53%	2
11	165	73.01%	2
12	180	72.29%	2
13	195	71.17%	2
14	210	69.08%	2
15	225	67.16%	2
16	240	65.04%	2
17	255	62.50%	2
18	270	60.00%	2
19	285	57.34%	2
20	300	54.74%	2
21	315	51.98%	2
22	330	49.48%	3
23	345	46.81%	3
24	360	44.23%	3
25	375	41.76%	3
26	390	39.39%	3
27	405	37.02%	3
28	420	34.80%	3
29	435	32.66%	4
30	450	30.61%	4
31	465	28.65%	4
32	480	26.80%	4
33	495	25.04%	4
34	510	23.37%	5
35	525	21.79%	5
36	540	20.32%	5
37	555	18.91%	6
38	570	17.59%	6
39	585	16.36%	7
40	600	15.20%	7
41	615	14.11%	8
42	630	13.10%	8
43	645	12.15%	9
44	660	11.26%	9
45	675	10.43%	10
46	690	9.66%	11
47	705	8.94%	12
48	720	8.27%	13
49	735	7.65%	14
50	750	7.07%	15
51	765	6.53%	16
52	780	6.03%	17
53	795	5.57%	18
54	810	5.14%	20
55	825	4.74%	22
56	840	4.37%	23
57	855	4.03%	25
58	870	3.71%	27
59	885	3.42%	30
60	900	3.15%	32
61	915	2.90%	35
62	930	2.67%	38
63	945	2.46%	41
64	960	2.26%	45
65	975	2.08%	49
66	990	1.91%	53
67	1005	1.76%	57
68	1020	1.62%	62
69	1035	1.49%	68
70	1050	1.37%	74
71	1065	1.26%	80
72	1080	1.15%	87
73	1095	1.06%	95
74	1110	0.97%	103
75	1125	0.89%	113
76	1140	0.82%	123
77	1155	0.75%	134
78	1170	0.69%	145
79	1185	0.63%	159
80	1200	0.58%	173
81	1215	0.53%	188
82	1230	0.49%	205
83	1245	0.45%	224
84	1260	0.41%	244
85	1275	0.38%	267
86	1290	0.34%	291
87	1305	0.32%	317
88	1320	0.29%	346
89	1335	0.26%	378
90	1350	0.24%	413
91	1365	0.22%	451
92	1380	0.20%	492
93	1395	0.19%	537
94	1410	0.17%	587
95	1425	0.16%	641
96	1440	0.14%	701
97	1455	0.13%	765
98	1470	0.12%	836
99	1485	N/A	N/A

List of texts in the library

Image	Title	Also known as	Author	Additional Features
	Byrne's coronation speech	Speech of King Byrne I
	Eathram & rada extract	An extract from Eathram & Rada	Anonymous
	Hosidius letter	A letter from Lord Hosidius to the Council of Elders	Lord Hosidius
	Ideology of darkness	The Ideology of Darkness	Philophaire
	Killing of a king	Killing of a King	Griselle
	Rada's census	Census of King Rada III	Matthias Vorseth
	Rada's journey	The Journey of Rada	Griselle
	Ricktor's diary (7)	Diary of Steklan Ricktor, volume 7	Steklan Ricktor
	Soul journey	The Journey of Souls	Aretha	Reading it begins the Bear Your Soul miniquest.
	Transportation incantations	Transportation Incantations	Amon Ducot
	Transvergence theory	The Theory of Transvergence	Amon Ducot
	Treachery of royalty	The Treachery of Royalty	Professor Answith
	Tristessa's tragedy	The Tragedy of Tristessa
	Twill accord	The Royal Accord of Twill
	Varlamore envoy	The Envoy to Varlamore	Deryk Paulson	Obtained during The Depths of Despair quest, then normally available within the Library.
	Wintertodt parable	The Parable of the Wintertodt	Anonymous

Changes

Date	Changes
[[{{#explode:10 January 2024| |0}} {{#explode:10 January 2024| |1}}]] [[{{#explode:10 January 2024| |2}}]] (update | poll)	As Kourend Favour has been removed, dark manuscripts have been removed. The experience gain from a book of arcane knowledge has been increased: Magic experience has been increased from 11x the player's level to 15x. Runecraft experience has been increased from 4x the player's level to 5x.
[[{{#explode:29 March 2023| |0}} {{#explode:29 March 2023| |1}}]] [[{{#explode:29 March 2023| |2}}]] (update)	Players inside the Arceuus library will now receive a message letting them know when the books have shifted locations.

Trivia

• On the day of release, the experience reward for books of arcane knowledge was significantly nerfed because the sheer number of people searching for books made helping and location-calling extremely easy, and helping customers granted exceptional Runecraft experience.
• On the day of release, mithril seeds were used to mark the locations of books, but this became less effective as crowds thinned out over time.