Hi there,
out there are tons of Freeshards. A Few have HS and Stygian Abyss, but it seems most are more PVP orientated.
I personal playing on 
http://www.ninthvirtue.com/ .
What i like there? 
- You are allowed to Script, just not all AFK.
- Custom content like advanced Fishing, Thiefing .. Basicly a lot to do for pvm
- Friendly and listening Staff
They had a hard downtime due some issues with Players ( Leaving Players ) for a while but atm constantly raising a new Community. They also work on the Stygian Abyss Project on their own.
Some hard facts : 
Engine : 
 Runuo 2.x + Custom
Character and Accounting :
 Accounts
    Accounts allowed: 3 per person.
    1 house per account.
    Account inactivity. 
Your character
    You can be a Human, Elf or Gargoyle.
    Max Weight: 
    Human: 100 + ( 3.5 * Strength ) 
    Elf: 40 + ( 3.5 * Strength ) 
    Factions: Felucca only.
    Reds (Murderers): Felucca only - No Town Guardzones. 
Character skills and caps
Skills
    Skill Gain: Twice as fast as default: Even faster in Training grounds!
    Skill Cap: 730 (750 at max Vet.) 
Stats
    Stat Gain: Twice as fast as default: Even faster in Training grounds!
    Stat Cap: 225 (250 with power scroll.)
    Individual Stats cap: [Str 150, Dex 150, Int 150]. 
Detailed
    Bonus Caps: Hits 20, Stam none, Mana 40 [Items].
    Regen Caps: Hits 18, Stam 24, Mana 18. 
    Casting: possibility of 2/6 (FC/FCR) for Magery, 4/6 for Chivalry.
    LMC: Lower Mana Cost is capped at 40%.
    SSI: Swing Speed is capped at 1.25 sec per swing.
    DI: Damage Increase is capped at 100%.
    SDI: Spell Damage Increase is capped at 15 for PvP, no cap for PvM.
    HCI: Hit Chance Increase is capped at 45%. 
    Hit Lower Attack is applied to HCI before the HCI is capped 
    Divine Fury allows HCI to go over 45% cap by 10% 
    Wolf / Bake Kitsune give a 20% bonus to HCI [works over cap] 
    MAX HCI possible: 75% 
    DCI: Defense Chance Increase is capped at 45%. 
    Hit Lower Defense is applied to DCI before DCI is capped 
    Divine Fury penalizes DCI by 20% 
    Being under the effect of Discordance penalizes DCI by 0 to 28% 
    LUCK: Capped at 1500 . 
Hardware :    
    2x Intel Xeon E5645 2.40GHz, 12M Cache, 5.86 GT/s QPI, 6 Processors [24 cores]
    12GB Memory (12x1GB), 1333MHz RDIMM
    Intel Gigabit ET NIC
    iDRAC Remote Interface Card
    RAID1 Controller
    2x300GB HDDs
    Located in USA
Overview of PVM Content : 
http://ninthvirtue.com/wiki/index.php?title=Category:PvM