Half-Orc enhancements (history)

Orc Fury
below 50% HP - +2 strength below 25% HP - another +2 strength below 10% HP - another +4 strength (for a total of +8)

Tharashk Search I - details below are a guess
Cost: 1 Action Point Prereqs: Lvl 4? Half-Orc or Human, Least Dragonmark of Finding, 9? Action Points Spent Benefit: Grants a +1 bonus to your Search skill

Tharashk Search II - details below are a guess
Cost: 1 Action Point Prereqs: Lvl 6? Half-Orc or Human, Lesser Dragonmark of Finding, Tharashk Search I, 18? Action Points Spent Benefit: Grants an additional +1 bonus to your Search skill, bringing the total increase to 2

Tharashk Search III
Cost: 1 Action Point Prereqs: Lvl 8 Half-Orc or Human, Greater Dragonmark of Finding, Tharashk Search II, 27 Action Points Spent Benefit: Grants an additional +1 bonus to your Search skill, bringing the total increase to 3.