Don't you know summons don't work in PvP?

[Solorion (Camelot)]

[1] Members name.
morty

[2] Report: what rule(s) they broke (quote them).

@system

Section 5 - Hacking/Exploits

#1 Hacked Clients [or Modified Clients]

All types of modified clients that deviate gameplay functionally in any way from the original Terraria client is forbidden; this also includes using 3rd party programs, such as Inventory Editors, to modify your character to possess…

[3] Did this affect anyone (e.g. they were using their hacks in PvP)?
no, because they left soon after

[4] Evidence. (If this includes chat, Phase link one or more messages)

[5] Dimension: (if this is a server report).
PvP

[6] Roughly, the time (in UTC) the offence was made. (if this is a
server report)
3:45 PM