It's 1845 hours of 2x exp at Knight's Chamber 5 if exp penalties for level differences exist.
I used the following if anyone cares.
Spoiler
Next Level
Exp TNL
Base Exp Rate
Monster Level
Level Penalty
Holy Symbol
2x Card
5 Leechers + Merc Link + Pendant of Spirit
Exp Rate
Hours TNL
Cumulative
200
0
762,986,520
184
0.95
1.5
2
3.95
8589320749
0.00
0.00
201
2,207,026,470
762,986,520
184
0.95
1.5
2
3.95
8589320749
0.26
0.26
202
2,648,431,764
762,986,520
184
0.95
1.5
2
3.95
8589320749
0.31
0.57
203
3,178,118,116
762,986,520
184
0.95
1.5
2
3.95
8589320749
0.37
0.94
204
3,813,741,739
762,986,520
184
0.9
1.5
2
3.95
8137251236
0.47
1.40
205
4,576,490,086
762,986,520
184
0.9
1.5
2
3.95
8137251236
0.56
1.97
206
5,491,788,103
762,986,520
184
0.9
1.5
2
3.95
8137251236
0.67
2.64
207
6,590,145,723
762,986,520
184
0.9
1.5
2
3.95
8137251236
0.81
3.45
208
7,908,174,867
762,986,520
184
0.9
1.5
2
3.95
8137251236
0.97
4.42
209
9,489,809,840
762,986,520
184
0.85
1.5
2
3.95
7685181723
1.23
5.66
210
11,387,771,808
762,986,520
184
0.85
1.5
2
3.95
7685181723
1.48
7.14
211
24,142,076,232
762,986,520
184
0.85
1.5
2
3.95
7685181723
3.14
10.28
212
25,590,600,805
762,986,520
184
0.85
1.5
2
3.95
7685181723
3.33
13.61
213
27,126,036,853
762,986,520
184
0.85
1.5
2
3.95
7685181723
3.53
17.14
214
28,753,599,064
762,986,520
184
0.8
1.5
2
3.95
7233112210
3.98
21.12
215
30,478,815,007
762,986,520
184
0.8
1.5
2
3.95
7233112210
4.21
25.33
216
32,307,543,907
762,986,520
184
0.8
1.5
2
3.95
7233112210
4.47
29.80
217
34,245,996,541
762,986,520
184
0.8
1.5
2
3.95
7233112210
4.73
34.53
218
36,300,756,333
762,986,520
184
0.8
1.5
2
3.95
7233112210
5.02
39.55
219
38,478,801,712
762,986,520
184
0.75
1.5
2
3.95
6781042697
5.67
45.22
220
40,787,529,814
762,986,520
184
0.75
1.5
2
3.95
6781042697
6.01
51.24
221
84,838,062,013
762,986,520
184
0.75
1.5
2
3.95
6781042697
12.51
63.75
222
88,231,584,493
762,986,520
184
0.75
1.5
2
3.95
6781042697
13.01
76.76
223
91,760,847,872
762,986,520
184
0.75
1.5
2
3.95
6781042697
13.53
90.29
224
95,431,281,786
762,986,520
184
0.7
1.5
2
3.95
6328973183
15.08
105.37
225
99,248,533,057
762,986,520
184
0.7
1.5
2
3.95
6328973183
15.68
121.05
226
103,218,474,379
762,986,520
184
0.7
1.5
2
3.95
6328973183
16.31
137.36
227
107,347,213,354
762,986,520
184
0.7
1.5
2
3.95
6328973183
16.96
154.32
228
111,641,101,888
762,986,520
184
0.7
1.5
2
3.95
6328973183
17.64
171.96
229
116,106,745,963
762,986,520
184
0.65
1.5
2
3.95
5876903670
19.76
191.72
230
120,751,015,801
762,986,520
184
0.65
1.5
2
3.95
5876903670
20.55
212.27
231
246,332,072,234
762,986,520
184
0.65
1.5
2
3.95
5876903670
41.92
254.18
232
251,258,713,678
762,986,520
184
0.65
1.5
2
3.95
5876903670
42.75
296.94
233
256,283,887,951
762,986,520
184
0.65
1.5
2
3.95
5876903670
43.61
340.54
234
261,409,565,710
762,986,520
184
0.6
1.5
2
3.95
5424834157
48.19
388.73
235
266,637,757,024
762,986,520
184
0.6
1.5
2
3.95
5424834157
49.15
437.88
236
271,970,512,164
762,986,520
184
0.6
1.5
2
3.95
5424834157
50.13
488.02
237
277,409,922,407
762,986,520
184
0.6
1.5
2
3.95
5424834157
51.14
539.15
238
282,958,120,855
762,986,520
184
0.6
1.5
2
3.95
5424834157
52.16
591.31
239
288,617,283,272
762,986,520
184
0.6
1.5
2
3.95
5424834157
53.20
644.52
240
294,389,628,937
762,986,520
184
0.6
1.5
2
3.95
5424834157
54.27
698.78
241
594,667,050,452
762,986,520
184
0.6
1.5
2
3.95
5424834157
109.62
808.40
242
600,613,720,956
762,986,520
184
0.6
1.5
2
3.95
5424834157
110.72
919.12
243
606,619,858,165
762,986,520
184
0.6
1.5
2
3.95
5424834157
111.82
1030.94
244
612,686,056,746
762,986,520
184
0.6
1.5
2
3.95
5424834157
112.94
1143.88
245
618,812,917,313
762,986,520
184
0.6
1.5
2
3.95
5424834157
114.07
1257.95
246
625,001,046,486
762,986,520
184
0.6
1.5
2
3.95
5424834157
115.21
1373.16
247
631,251,056,950
762,986,520
184
0.6
1.5
2
3.95
5424834157
116.36
1489.53
248
637,563,567,519
762,986,520
184
0.6
1.5
2
3.95
5424834157
117.53
1607.05
249
643,939,203,194
762,986,520
184
0.6
1.5
2
3.95
5424834157
118.70
1725.76
250
650,378,595,225
762,986,520
184
0.6
1.5
2
3.95
5424834157
119.89
1845.65
edit: actually it should take longer than that, I forgot to put something to account for exp splits for party.
edit: There's also a glitch in level penalty. I'm using next level to calculate it, but I should be using current level instead.