A medium prismatic lamp is an item won on Treasure Hunter or obtained from other sources. It gives the same experience as a skill-specific medium XP lamp.
From 26 July to 28 July 2013, this lamp gave a bonus of 50% additional experience. The promotion was introduced for a second time from 4 June to 12 June 2014. The promotion was introduced for a third time from 2 March to 6 March 2017.
If a prismatic lamp is used on Dungeoneering, the player will not receive Dungeoneering tokens.

The reward interface of a Medium prismatic lamp.
The following is an XP table detailing the number of experience received from a medium prismatic lamp for any given skill level:
Skill level | Experience | Skill level | Experience | Skill level | Experience | ||
---|---|---|---|---|---|---|---|
1 | 125 | 34 | 1,118 | 67 | 4,538 | ||
2 | 138 | 35 | 1,166 | 68 | 4,758 | ||
3 | 154 | 36 | 1,217 | 69 | 4,940 | ||
4 | 170 | 37 | 1,270 | 70 | 5,185 | ||
5 | 186 | 38 | 1,324 | 71 | 5,386 | ||
6 | 208 | 39 | 1,383 | 72 | 5,618 | ||
7 | 246 | 40 | 1,441 | 73 | 5,893 | ||
8 | 254 | 41 | 1,504 | 74 | 6,164 | ||
9 | 388 | 42 | 1,569 | 75 | 6,427 | ||
10 | 307 | 43 | 1,636 | 76 | 6,679 | ||
11 | 340 | 44 | 1,707 | 77 | 6,990 | ||
12 | 376 | 45 | 1,779 | 78 | 7,293 | ||
13 | 411 | 46 | 1,858 | 79 | 7,584 | ||
14 | 458 | 47 | 1,941 | 80 | 7,960 | ||
15 | 504 | 48 | 2,025 | 81 | 8,332 | ||
16 | 523 | 49 | 2,110 | 82 | 8,695 | ||
17 | 548 | 50 | 2,202 | 83 | 9,043 | ||
18 | 570 | 51 | 2,296 | 84 | 9,524 | ||
19 | 596 | 52 | 2,400 | 85 | 9,837 | ||
20 | 620 | 53 | 2,499 | 86 | 10,066 | ||
21 | 649 | 54 | 2,609 | 87 | 10,751 | ||
22 | 674 | 55 | 2,724 | 88 | 11,185 | ||
23 | 704 | 56 | 2,844 | 89 | 11,845 | ||
24 | 735 | 57 | 2,970 | 90 | 12,243 | ||
25 | 768 | 58 | 3,092 | 91 | 12,903 | ||
26 | 798 | 59 | 3,233 | 92 | 13,229 | ||
27 | 810 | 60 | 3,368 | 93 | 13,857 | ||
28 | 828 | 61 | 3,515 | 94 | 14,472 | ||
29 | 906 | 62 | 3,671 | 95 | 15,065 | ||
30 | 946 | 63 | 3,822 | 96 | 16,129 | ||
31 | 986 | 64 | 4,009 | 97 | 16,695 | ||
32 | 1,028 | 65 | 4,216 | 98+ | 17,204 | ||
33 | 1,072 | 66 | 4,343 |
Medium prismatic lamps were originally members only, but an update on 7 April 2014 made them available to free users.
Drop sources[]
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Dialogue[]
Prismatic lamps | |
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