(1) I think "lucky charm"/luck should rather be a talent or an attribute and not a skill, after all you can't "learn" to be lucky wink
(2) I think talking to animals should have some prerequisites. Normal people can't "talk" to animals. For example geomancer 1 or something similar.
(3) Geomancer 5 could allow for some talent that lets you shapeshift

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Just some perks from fallout 1 that could serve as inspiration for dos, there are many more interesting ones, so these are just examples:

traits: (Give both adavantages and disadvantages):

Bloody Mess: More violent death animations/Changes the ending
Bruiser: +2 Strength/-2 Action Points
->would have to be adapted to balance it for dos

*snip*

Perks: (Only advantages):

Cult of Personality: Your reputation is always positive. Great for evil characters.
-> had a high charisma requirement
Healer: You heal two to five more hit points when using First Aid or the Doctor skills per level
-> could be adapted to have a greater effect using healing/resurrection
Mental Block It tunes out any outside mental interference, such as the Master attempting to psychically attack you.
-> bonus to willpower resistance
Scout It increases the size of explorations on the world map by one square for each direction.
-> could become a larger field of vision/earlier spotting of enemies

*snip*

All these perks usually had rather high attribute/level requirements and some had several levels.