diff options
Diffstat (limited to 'crawl-ref/source/abl-show.cc')
| -rw-r--r-- | crawl-ref/source/abl-show.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crawl-ref/source/abl-show.cc b/crawl-ref/source/abl-show.cc index 0c1ada0d03..2e5bbab3d5 100644 --- a/crawl-ref/source/abl-show.cc +++ b/crawl-ref/source/abl-show.cc @@ -988,7 +988,10 @@ static bool _activate_talent(const talent& tal) const ability_def& abil = get_ability_def(tal.which); // Check that we can afford to pay the costs. - if (!enough_mp( abil.mp_cost, false )) + // Note that mutation shenanigans might leave us with negative MP, + // so don't fail in that case if there's no MP cost. + if (abil.mp_cost > 0 + && !enough_mp(abil.mp_cost, false, !(abil.flags & ABFLAG_PERMANENT_MP))) { crawl_state.zero_turns_taken(); return (false); |