Homebrew Construct monster im designing, looking for advice


Homebrew and House Rules


ok first, here is the basic form of the creature:
(pardon my formatting, i wrote it in notepad first)

Attack Drone:
Attack Drone CR 5
XP 1,600
N Small construct
Init +9; Senses darkvision 60 ft., low-light vision,
Perception +8

DEFENSE
AC 19, touch 15, flat-footed 14 (+5 Dex, +3 natural, +1 size)
hp 60 (5d10+10);
Fort +1, Ref +6, Will +1
Defensive Abilities construct traits, immune to crits; sneak attack

OFFENSE
Speed fly 30 ft.(perfect)
Melee -
Space 5 ft.; Reach - ft.
Special Attacks energy beam (+11 ranged touch, +12 with PBS)
Spell-Like Abilities -
STATISTICS
Str -, Dex 20, Con —, Int -, Wis 10, Cha 1
Base Atk +5; CMB - ; CMD 20 (immune to trip)
Feats Weapon focus(ray), Improved initiative, point blank shot

Skills Perception +8(+8 racial)

Languages (cannot speak)

SPECIAL ABILITIES
Energy Beam (Su)

acts as scorching ray. one ray, 30 ft range. 4d6 elemental
damage, random element, roll 1d4: 1 fire, 2 electricity, 3 acid, 4 cold

The idea is a small floating sphere that zaps any intruders it detects. It has the crit/SA immunity because its a simple design externaly.

I have also designed a larger, more dangerous version to use as a sort of mini-boss encounter:

Greater Attack Drone:
Greater Attack Drone CR 9
XP 6,400
N Medium construct
Init +11; Senses darkvision 60 ft., low-light vision,
Perception +18

DEFENSE
AC 21, touch 17, flat-footed 14 (+7 Dex, +4 natural)
hp 120 (10d10+20);
Fort +3, Ref +10, Will +3
Defensive Abilities construct traits, immune to crits; sneak
attack, evasion

Special abilities:
Defence mode(su)

OFFENSE
Speed fly 60 ft.(perfect)
Melee -
Space 5 ft.; Reach - ft.
Special Attacks energy beam (+17 ranged touch, +18 with PBS)
Spell-Like Abilities 3/day wall of fire(CL 5)

STATISTICS
Str -, Dex 24, Con —, Int 5, Wis 10, Cha 1
Base Atk +10; CMB - ; CMD 27 (immune to trip)
Feats Weapon focus(ray), Improved initiative, point blank
shot, flyby attack, ???(i need advice on the last feat to put here, I cant think of one)

Skills Perception +18(+8 racial)

Languages Common(cannot speak)

SPECIAL ABILITIES
Energy Beam (Su)

acts as scorching ray. two rays, 30 ft range. 4d6 elemental
damage each. A greater attack drone is capable of selecting
the element of its rays, and determining if an element has a
lesser or greater effect on a target.

Defence mode (Su)

If a greater attack drone is reduced to less than 1/3 hp (40
or less) it activates defence mode. the drone is encased in
a force effect that works as a Resiliant sphere, becoming
immobile, and gains fast heal 20. lasts until the drone is
back to full hp, or 5 rounds, which ever comes first. can
only be used 1/day. drone cannont attack while in defence
mode. if the resiliant sphere is broken externaly, defence
mode ends immediatly

This one was made to be a memorable fight. I gave it inteligence so it could use tactics, and added a wall of fire ability for battlefield control. What do you think of the defence mode i designed? I wanted to give the players a nasty suprise, Just When You Think It's Over!

I was looking for feedback on the design before throwing them at my players. These are intended to be reuseable monsters, not one shots, so i tried to design with that in mind.


Is this for a modern or sci-fi game?


They're pretty interesting. They do sound like they're for a more modern/sci-fi game though.


I admit do draw inspiriation from sci-fi sources. This campaign however is kinda sci-fi in that it takes place inside a giant(3000 ft tall)construct from the plane of mechanus. The construct was sent long ago to cleanse the world of chaos, i.e. kill everything.

it malfunctioned when it arrived and lay dormant till a tribe of kobolds found it and began repairing it. Now they are using it to destroy their enemies. the players have to climb around inside and fight the kobold tribe thats running it to stop it.

These drones are meant as an internal defence type mechanism. My biggest problem is deciding on feats for the larger version. What feats are good for a flyer that uses rays to attack?


I would say Precise Strike but I guess that wouldn't really matter since there's not more than 1 of them. Dodge? Mobility? One of the +2 to this save feats? Dazzling Display with it's ray? (that would be kind of funny actually)


Why do the drones have no strength score? Are they incorporeal?


AvalonXQ wrote:
Why do the drones have no strength score? Are they incorporeal?

I gave them no Str because i figured a floating ball with no arms, legs, ect really wouldnt have one. It cant make combat manuvers, so it didnt seem to need one either.


After looking over the feats again, it looks to me like giving the greater drone spell penetration might be a good idea. That would allow its rays to get past magic defences better.


You could give them a slam attack and the ability to make bullrush and overrun actions.


Felgoroth wrote:
You could give them a slam attack and the ability to make bullrush and overrun actions.

interesting idea, but without spare feats for ones like improved bull rush its hard to do. It would also kinda change the flavor i was aiming at. I could design another version made for that though.


That sounds similar to my Assailant construct.

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