I can help with the stats friend.
LV - Self-explanatory, this is what your level is. Base your HP totals around this.
HP - Another self-explanatory stat, if this drops to 0, you're down for the count.
MEL - Short for Melee, this stat influences how much damage you do at Close Range.
RNG - Short for Range, this stat influences how much damage you do from medium-long ranges.
DEF - Short for Defense, this stat influences how much damage you take from Close Range attacks.
WIS - Short for Wisdom(Willpower?), this stat influences how much damage you take from Ranged Attacks.
SPD - Short for Speed, this stat dictates how soon your turn comes around.
RES - Short for Research, this stat dictates how effective you are at developing territories.
NEG - Short for Negotiation, this stat dictates how effective you are at persuading captured enemies to join your team.
Cost - Self-explanatory, though I don't quite know what this does. :getdown: