Rules Question: Master Summoner

[Lumpicorn]

Hello there, i hope im in the right spot for my question(s).

1) I've picked up the Master Summoner yesterday with a new group and the DM is pretty inexperieced aswell.. I chose the Quadruped base form for my Eidolon and with my 3 Evo points i chose Pounce, Improved Armor and a Tentacle.
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Is it correct that the Eidolon can charge 80 feet and then attack with its bite and tentacle (with pounce)? it seems so strong

2) The Master Summoners ability (which is why i chose him) states "Starting at 1st level, a master summoner can cast summon monster I as a spell-like ability [...]"
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Does this ability 'evolve' like for a normal summoner? Can i use this ability with Summon Monser II later or is this just Summon Monster I ?

Thanks in regards (:

[Evilrooster]

yes, but past that The master summoner can have multiple summons out at the same time.
Lesser Eidolon

A master summoner’s class level is halved (minimum 1) for the purposes of determining his eidolon’s abilities, Hit Dice, evolution pool, and so on. The eidolon otherwise functions as normal.

This ability replaces the summoner’s normal eidolon ability.

Summoning Mastery (Sp)

Starting at 1st level, a master summoner can cast summon monster I as a spell-like ability a number of times per day equal to 5 + his Charisma modifier. The summoner can use this ability when his eidolon is summoned. Only one summon monster spell may be in effect while the eidolon is summoned. If the summoner’s eidolon is not summoned, the number of creatures that can be summoned with this ability is only limited by its uses per day. This ability otherwise functions as the summoner’s normal summon monster I ability. Other than these restrictions, there is no limit to how many summon monster or gate spells the summoner can have active at one time.

This ability replaces the summoner’s normal summon monster I ability and shield ally.

This is from d20 pfsrd

[Derklord]

A Master Summoner generally (after a few levels, at least) wants to focus on (multiple) Summon Monster SLAs, and summon the Eidolon only in non-combat situations (with a bunch of Skilled evolutions).

Lumpicorn wrote:

Is it correct that the Eidolon can charge 80 feet and then attack with its bite and tentacle (with pounce)? it seems so strong

If you think that's bad, you haven't seen a properly optimized Eidolon! For instance, my Summoner's Eidolon started with Pounce and Claws, for Bite/Claw/Claw on a charge at first level...

[Lumpicorn]

well, thanks for the replys :)