DCC Choker, Darkmantle, and Roper

From a request on Reddit.

Choker

Choker: Init +4; Atk tentacle +6 melee (1d3+3); AC 17; HD 3d8; MV 20’ or climb 10'; Act 2d20; SP infravision 60', reach, hiding, throttle; SV Fort +2,Ref +5, Will +4; AL C.

This halfling-sized creature can reach creatures up to 10' away with their elastic tentacles. They tend to attack from hiding, often clinging to ceilings, gaining a +6 bonus to any stealth-based check. They are enormously strong (+3 bonus to opposed Strength checks), and can throttle creatures once they are successfully hit. Throttled creatures cannot speak, and take automatic damage each round unless they succeed in an opposed Strength check to get free.

Darkmantle

Darkmantle: Init +2; Atk grab +3 melee (0); AC 15; HD 2d8+2; MV 20’ or fly 30'; Act 1d20; SP infravision 30', camoflage, cling, automatic bite (1d4+1); SV Fort +5,Ref +3, Will +0; AL N.

These creatures camouflage themselves among stalactites, gaining a +10 bonus to hide. Their initial attack is to cling to their victim's head, automatically blinding them. The tentacles of the darkmantle wrap around their victim, requiring a DC 20 Strength check to remove. Worse, the victim takes 1/2 damage from any successful attack targeting the darkmantle. While clinging to a victim, the darkmantle can automatically bite with its parrot-like beak for 1d4+1 damage each round (no attack roll is necessary).

Roper

Roper: Init +2; Atk tentacle +8 melee (2d6) or bite +10 melee (3d10); AC 20; HD 5d10+10; MV 10’; Act 6d20; SP infravision 120', reach, surprise, constrict, draw; SV Fort +10,Ref +3, Will +14; AL C.

These creatures can reach up to 50' away with their tentacles, surprising foes fully 50% of the time due to their stalagmite-like appearance (before they move). A creature so struck is held by the creature, who can use an Action Die to automatically cause constriction damage (2d6) or draw the victim 1d3 x 10' closer (opposed Strength check vs.+4 negates). The creature can only bite victims drawn adjacent to it. 

10% of ropers have a special ability. Roll 1d7: 

1. Stony Carapace: +4 bonus to AC.

2. Spellcasting: The roper has the spell abilities equal to a level 1d3 wizard.

3. Extendable Mouth: The roper can bite victims up to 10' away. If this is rolled again, the range is extended by +5'.

4. Better Camouflage: The roper has a +10% chance to surprise.

5. Stronger: The roper gains a +1d5 bonus to opposed Strength checks. Each of its attacks has its damage increased by the same amount.

6. Increased Hit Dice: The roper gains +1d3 Hit Dice. For every full 3 HD, it gains a +1 bonus to all attack rolls, a +1 bonus to Fort saves, a +2 bonus to Will saves, and a -2 penalty to Ref saves.

7. Roll twice and keep both results. This result can occur any number of times.