High-Level Play (Optional Rule)

From OSE SRD

Human character classes are listed as having a maximum level of 14. This range of levels presents the best play experience, in terms of challenge and reward. Some groups, however, may wish to continue play into the extremely high levels beyond. This must be considered carefully, as demihuman PCs will be left behind, due to their strict level limits. If the referee allows continued play into higher levels, the following guidelines—allowing human characters to advance to a maximum of 36th level—may be used.

Clerics

Clerics require an additional 100,000 XP per level beyond 14th and gain 1 hit point per level gained. Spells of higher levels become available as the character advances.

Fighters

Fighters require an additional 120,000 XP per level beyond 14th and gain 2 hit points per level gained. Fighters of 20th level may make two attacks per round. This increases to three attacks per round at 25th level and four per round at 30th level.

Magic-Users

Magic-users require an additional 150,000 XP per level beyond 14th and gain 1 hit point per level gained. Spells of higher levels become available as the character advances.

Thieves

Thieves require an additional 120,000 XP per level beyond 14th and gain 2 hit points per level gained. Additional skills become available to high-level thieves, including the ability to climb upside down or horizontally, voice skills such as mimicry and ventriloquism, and other skills of deception.

High-Level Attack Table
Class and Level Attack Roll to Hit AC
Fighter Cleric, Thief Magic-User -3 -2 -1 0 1 2 3 4 5 6 7 8 9
1–3 1–4 1–5 20 20 20 19 18 17 16 15 14 13 12 11 10
4–6 5–8 6–10 20 19 18 17 16 15 14 13 12 11 10 9 8
7–9 9–12 11–15 17 16 15 14 13 12 11 10 9 8 7 6 5
10–12 13–16 16–20 15 14 13 12 11 10 9 8 7 6 5 4 3
13–15 17–20 21–25 13 13 11 10 9 8 7 6 5 4 3 2 2
16–18 21–24 26–30 11 10 9 8 7 6 5 4 3 2 2 2 2
19–21 25–28 31–35 9 8 7 6 5 4 3 2 2 2 2 2 2
22–24 29–32 36 7 6 5 4 3 2 2 2 2 2 2 2 2
25–27 33–36 5 4 3 2 2 2 2 2 2 2 2 2 2
28–30 3 2 2 2 2 2 2 2 2 2 2 2 2
31–33 2 2 2 2 2 2 2 2 2 2 2 2 2
34–36 2 2 2 2 2 2 2 2 2 2 2 2 2